170+ Nouns that Start with Ap: Useful Ap-Noun Words

Have you ever noticed how many English words beginning with Ap can name people, objects, animals, places, actions, qualities, and ideas? This collection of Nouns that Start with Ap brings together common vocabulary, abstract nouns, scientific terms, medical vocabulary, and less common dictionary nouns in one organized list.

The list is useful for English vocabulary learning, spelling practice, ESL study, school assignments, and word-building activities. A noun starting with Ap can describe something you can see, touch, feel, study, or think about.

Here’s a complete A to Z List of Nouns, you can explore to know more nouns in your knowledge.

Nouns that Start with Ap

There are many nouns beginning with Ap, but their frequency varies greatly. Some are everyday words, while others belong to science, medicine, literature, religion, astronomy, biology, or specialized academic vocabulary.

The 170+ list below focuses on noun forms rather than adjectives or verbs. A small number are specialist terms that are more useful for advanced vocabulary study than everyday conversation. A published noun list identifies 172 nouns beginning with Ap, while broader dictionary indexes contain many additional specialized entries.

170+ Ap Nouns List

No.
Noun
Category
1
apathy
Abstract
2
ape
Animal
3
aphid
Animal
4
apiary
Place
5
aplomb
Abstract
6
apnea
Medical
7
apogee
Astronomy
8
apple
Food
9
apron
Clothing
10
apse
Architecture
11
appetite
Abstract
12
apartment
Place
13
apartheid
Social concept
14
apanage
Property
15
apadana
Architecture
16
apatosaurus
Animal
17
apatosaur
Animal
18
apar
Object
19
aparejo
Object
20
apagoge
Logic
21
apartness
Abstract
22
apastron
Astronomy
23
apathist
Person
24
apara
Specialized
25
apaume
Place
26
apanthropy
Abstract
27
aparithmesis
Mathematics
28
apex
Object/Point
29
aperture
Object
30
aper
Person
31
apery
Behavior
32
aperitif
Food/Drink
33
apercu
Idea
34
aperient
Medicine
35
aperea
Animal
36
apepsy
Medical
37
apehood
Abstract
38
apertness
Abstract
39
apertion
Action/Process
40
apetalousness
Botany
41
aphasia
Medical
42
aphasic
Person
43
aphelion
Astronomy
44
aphorism
Idea
45
aphrodisiac
Substance
46
aphakia
Medical
47
aphanite
Geology
48
aphesis
Linguistics
49
aphonia
Medical
50
aphorist
Person
51
aphaeresis
Linguistics
52
aphagia
Medical
53
apheresis
Medical
54
aphrodisia
Abstract
55
aphis
Animal
56
aphtha
Medical
57
aphony
Medical
58
aphrodite
Mythology
59
aphakic
Person
60
aphidian
Animal
61
apheliotropism
Botany
62
aphrite
Mineral
63
aphthong
Linguistics
64
aphasy
Linguistics
65
aphemia
Medical
66
aphetism
Linguistics
67
aphorismer
Person
68
aphilanthropy
Abstract
69
apiary
Place
70
apiarist
Person
71
apiculture
Agriculture
72
apiculturist
Person
73
apiol
Substance
74
apishamore
Equipment
75
apishness
Abstract
76
apis
Animal
77
apiologist
Person
78
aplomb
Abstract
79
aplite
Geology
80
aplasia
Medical
81
aplustre
Object
82
aplacophoran
Animal
83
aplanatism
Optics
84
aplanat
Optical instrument
85
aplotomy
Biology
86
apnea
Medical
87
apnoea
Medical
88
apogee
Astronomy
89
apostasy
Abstract
90
apostate
Person
91
apostle
Person
92
apothegm
Idea
93
apology
Communication
94
apoplexy
Medical
95
apodal
Biology
96
apostleship
Role
97
apostolic
Religion
98
apostrophe
Punctuation
99
apothecary
Person
100
apologia
Writing
101
apologist
Person
102
apocalypse
Event
103
apoplectic
Medical
104
apocalyptic
Literature
105
apogamy
Botany
106
apotheosis
Abstract
107
apologue
Literature
108
apocope
Linguistics
109
apoptosis
Biology
110
apothecium
Biology
111
apologetics
Theology
112
apolune
Astronomy
113
apomict
Botany
114
apomixis
Botany
115
apomorphine
Medicine
116
aponeurosis
Anatomy
117
apophasis
Rhetoric
118
apophysis
Anatomy
119
apophthegm
Idea
120
apoapsis
Astronomy
121
aposiopesis
Rhetoric
122
apoenzyme
Biology
123
apollo
Insect
124
apple
Food
125
appall
Event/Expression
126
appeal
Communication
127
appendix
Anatomy/Book
128
approach
Method
129
approval
Abstract
130
applause
Sound/Expression
131
applier
Person/Device
132
apparel
Clothing
133
applique
Decoration
134
apparent
Abstract
135
appeaser
Person
136
apprehension
Abstract
137
appendicitis
Medical
138
apprentice
Person
139
applet
Computing
140
approaching
Event/Action
141
approbation
Abstract
142
appropriate
Abstract
143
appetizer
Food
144
appropriator
Person
145
applauder
Person
146
approving
Action
147
appalling
Event/Quality
148
appurtenance
Object
149
appurtenant
Property
150
appliance
Object
151
applicant
Person
152
application
Document/Process
153
applicator
Tool
154
apparatus
Equipment
155
apparition
Being
156
appointee
Person
157
apron
Clothing
158
apricot
Food
159
apraxia
Medical
160
April
Time
161
apronful
Quantity
162
aprication
Action
163
apriorism
Philosophy
164
apriority
Philosophy
165
apse
Architecture
166
apsis
Astronomy/Anatomy
167
aptitude
Ability
168
aptness
Quality
169
apteryx
Animal
170
aptote
Grammar
171
apteran
Animal
172
aptychus
Fossil/Structure

The inventory above draws from a dedicated 172-word noun list, while dictionary indexes also confirm numerous specialist nouns beginning with Ap, including scientific and medical vocabulary.

Note: Some words in this list are uncommon or technical. They are included because they function as nouns and genuinely begin with Ap.

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Common Nouns that Start with Ap

For everyday English, learners are more likely to meet a smaller group of familiar nouns. These are useful in speaking, reading, writing, and school vocabulary work.

No.
Noun
Everyday Use
1
ape
Animal
2
apple
Food
3
apron
Clothing
4
apartment
Home
5
appetite
Feeling
6
apology
Communication
7
applause
Expression
8
appliance
Household object
9
applicant
Person
10
application
Form or process
11
apprentice
Learner
12
approach
Method
13
approval
Agreement
14
appetite
Desire for food
15
appendix
Body part or section
16
apparatus
Equipment
17
apparel
Clothing
18
appeal
Request
19
aperture
Opening
20
apostrophe
Punctuation mark

Ap Nouns for People and Roles

Some nouns beginning with Ap refer to people because of their occupation, role, beliefs, or behavior.

No.
Noun
Category
1
apathist
Person
2
aphorist
Writer
3
aphasiac
Person
4
apiarist
Beekeeper
5
apiculturist
Beekeeper
6
apiologist
Specialist
7
apostate
Person
8
apostle
Religious role
9
apothecary
Medical worker
10
apologist
Defender
11
aphorismer
Writer
12
applicant
Person applying
13
apprentice
Learner
14
appointee
Person appointed
15
appeaser
Person who appeases
16
appropriator
Person who takes or assigns
17
applauder
Person who applauds
18
apteran
Animal group member
19
applier
Person or device applying something
20
approver
Person who approves

Animals, Plants, and Nature Nouns with Ap

The letter combination Ap appears in many biological and natural-science terms.

No.
Noun
Category
1
ape
Animal
2
aphid
Insect
3
apatosaurus
Dinosaur
4
apatosaur
Dinosaur
5
aperea
Rodent
6
aphis
Insect
7
aphidian
Insect-related noun
8
apis
Insect
9
aplacophoran
Marine animal
10
apteran
Animal
11
apteryx
Bird
12
aptychus
Fossil structure
13
apollo
Butterfly
14
apomict
Plant
15
apomixis
Plant reproduction
16
apogamy
Plant reproduction
17
aphelinid
Insect
18
aphidozer
Insect-related biological term
19
aphrite
Mineral
20
aplite
Rock

Objects and Things that Start with Ap

Many nouns starting with Ap name physical objects, tools, equipment, clothing, or parts.

No.
Noun
Category
1
appliance
Household object
2
apparatus
Equipment
3
aperture
Opening
4
apron
Clothing
5
apparel
Clothing
6
applique
Decoration
7
applicator
Tool
8
appendix
Book section
9
apostrophe
Punctuation
10
apothem
Geometry
11
apadana
Building
12
aparejo
Saddle
13
apse
Architectural part
14
aplustre
Decorative structure
15
apterium
Bird structure
16
aptychus
Fossil structure
17
appurtenance
Accessory
18
applanat
Optical instrument
19
apparatus
Equipment
20
applet
Computer program

Places and Structures Beginning with Ap

Some words beginning with Ap identify buildings, living spaces, or structural parts.

No.
Noun
Category
1
apartment
Home
2
apiary
Bee yard
3
apadana
Hall
4
apse
Architectural space
5
aperture
Opening
6
appartment
Variant spelling in some sources
7
apparatus
Structure or system
8
apothecary
Shop or pharmacy

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Abstract Nouns Beginning with Ap

Abstract nouns name ideas, feelings, qualities, states, or concepts rather than physical objects.

No.
Noun
Type
1
apathy
Feeling/state
2
appetite
Desire
3
aplomb
Confidence
4
apartness
State
5
apanthropy
Withdrawal
6
aphilanthropy
Lack of philanthropy
7
apertness
Quality
8
apostasy
Belief change
9
apostleship
Role
10
apotheosis
Elevation
11
approval
Agreement
12
apprehension
Feeling
13
approbation
Praise
14
approvement
Evaluation
15
apriorism
Philosophical idea
16
apriority
Philosophical concept
17
apogee
Highest point
18
appeal
Request
19
apology
Expression of regret
20
applause
Approval

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Scientific and Academic Nouns that Start with Ap

Scientific writing contains many less familiar nouns that begin with Ap. These are common in particular fields rather than general conversation.

No.
Noun
Field
1
apogee
Astronomy
2
apastron
Astronomy
3
aphelion
Astronomy
4
apolune
Astronomy
5
apoapsis
Astronomy
6
aphanite
Geology
7
aplite
Geology
8
apomixis
Botany
9
apogamy
Botany
10
apheliotropism
Botany
11
apomict
Botany
12
apothecium
Biology
13
aplanatism
Optics
14
aponeurosis
Anatomy
15
apophysis
Anatomy
16
apoptosis
Biology
17
aphaeresis
Linguistics
18
aphesis
Linguistics
19
apocope
Linguistics
20
apophasis
Rhetoric

Medical Nouns that Start with Ap

Medical vocabulary provides many nouns beginning with Ap. These terms often describe symptoms, conditions, body structures, or medical processes.

No.
Noun
Field
1
apnea
Medicine
2
apnoea
Medicine
3
aphasia
Neurology
4
aphagia
Medicine
5
aphakia
Ophthalmology
6
aphonia
Medicine
7
aphasia
Neurology
8
apoplexy
Medicine
9
appendicitis
Medicine
10
apraxia
Neurology
11
apheresis
Medicine
12
apomorphine
Pharmacology
13
aponeurosis
Anatomy
14
apophysis
Anatomy
15
apoptosis
Biology
16
aphthae
Medicine
17
aphtha
Medicine
18
aphonia
Medicine
19
apepsy
Medicine
20
apyrexia
Medicine

Food and Everyday Ap Nouns

Several familiar vocabulary words starting with Ap relate to food, eating, clothing, and ordinary life.

No.
Noun
Category
1
apple
Fruit
2
apricot
Fruit
3
appetizer
Food
4
appetite
Eating
5
aperitif
Drink
6
apron
Clothing
7
apparel
Clothing
8
appliance
Household item
9
apartment
Home
10
applique
Decoration

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Ap Nouns by Word Length

Word length can help students practice spelling and vocabulary patterns.

Length
Examples
3 letters
ape
4 letters
apex
5 letters
apian
6 letters
apathy
7 letters
apiary
8 letters
aperture
9 letters
apologist
10 letters
application
11 letters
apprenticeship
12 letters
apportionment

Not every word above belongs to the 172-item core list. The table demonstrates the different word lengths that can occur among nouns beginning with Ap.

Positive and Negative Ap Nouns

The emotional or social meaning of a noun depends on the word itself and its context.

No.
Positive or Neutral Noun
Negative Noun
1
aplomb
apathy
2
approval
apartheid
3
applause
apprehension
4
appetite
apostasy
5
aptitude
apathy
6
apology
apoplexy
7
application
apocalypticism
8
approbation
aphasia
9
apprentice
apathy
10
appeal
apartheid

Singular and Plural Ap Nouns

Many Ap nouns form regular plurals, while some technical nouns have special plural forms. Learners should not assume that every scientific noun follows the same pattern.

Singular
Plural
ape
apes
aphid
aphids
apiary
apiaries
apartment
apartments
apology
apologies
appendix
appendices / appendixes
apex
apexes / apices
aperture
apertures
aphorism
aphorisms
apostle
apostles
apocalypse
apocalypses
apothecium
apothecia
aponeurosis
aponeuroses
apophysis
apophyses
aperture
apertures
apricot
apricots
apron
aprons
appliance
appliances
applicant
applicants
application
applications

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How to Use Ap Nouns in Sentences

A noun beginning with Ap can work as a subject, object, complement, or part of a longer noun phrase.

As a subject

The apple fell from the tree.

Here, apple is the subject performing no action itself but serving as the main noun in the sentence.

As an object

She cleaned the apartment.

Here, apartment receives the action of the verb cleaned.

As a complement

His goal was approval.

The noun approval identifies what his goal was.

In a noun phrase

We bought a new kitchen appliance.

The main noun is appliance, while new and kitchen provide extra information.

With a medical noun

The doctor explained the meaning of apnea.

The noun apnea identifies a medical condition.

With an abstract noun

Her appetite returned after dinner.

The noun appetite names a state or feeling related to eating.

Pronunciation Tips for Ap Nouns

The spelling Ap does not always produce the same sound. Pronunciation changes according to the word and its origin.

For example:

  • apple begins with a short /æ/ sound.
  • apron commonly begins with /eɪ/.
  • apology begins with a vowel sound similar to /ə/.
  • apogee is commonly pronounced with the stress on the final syllable.
  • aphasia begins with a sound represented by the letters ph.

Listening to the complete word is more reliable than guessing pronunciation only from its first two letters.

Common Spelling and Meaning Confusions

Learners often confuse similar-looking nouns because many Ap words have related spellings or specialized meanings.

  • apathy means a lack of interest or feeling, while appetite relates to desire for food.
  • apex means a highest point or tip, while apogee refers specifically to the point in an orbit farthest from Earth.
  • apology is an expression of regret, while apologia is a formal defense or explanation.
  • apnea and apnoea are different spellings of the same medical term.
  • appendix can mean a body part or an additional section of a book.

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FAQs About Nouns with Ap

What are nouns that start with Ap?

Nouns that start with Ap are naming words beginning with the letters Ap, such as apple, apron, apartment, apology, and appetite.

What is a common noun beginning with Ap?

Apple is a common noun beginning with Ap. Other common examples include apartment, apron, appliance, and applicant.

What are some positive Ap nouns?

Positive or neutral examples include approval, applause, aplomb, aptitude, appetite, application, and approbation.

What are some medical nouns that start with Ap?

Medical Ap nouns include apnea, aphasia, aphagia, aphakia, aphonia, apoplexy, appendicitis, and apraxia.

Is apple a noun that starts with Ap?

Yes. Apple is a common countable noun that names a type of fruit.

Is April a noun?

Yes. April is a proper noun used as the name of a month and is normally written with a capital letter.

Are apnea and apnoea the same word?

Yes. Apnea is the common American spelling, while apnoea is the British spelling.

What is the difference between apex and apogee?

An apex is a highest point or tip, while apogee specifically describes the point in an orbit farthest from Earth.

Conclusion

This list of Nouns that Start with Ap includes familiar vocabulary such as apple, apron, apartment, appliance, applicant, and apology, along with academic, scientific, linguistic, and medical terms.

Learning nouns starting with Ap can improve spelling, vocabulary recognition, sentence building, and subject-specific English. Focus first on common words, then add specialized nouns as your vocabulary grows.

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Muhammad Matloob
Muhammad Matloob

Matloob is the founder of Vocabish, an educational website dedicated to helping students, teachers, and English learners improve their language skills. He creates practical learning resources on English grammar, vocabulary, phrasal verbs, confused words, speaking English, and worksheets. His goal is to make English learning simple, engaging, and accessible through clear explanations, real-life examples, and useful practice materials.

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