Irregular Plurals or Irregular Plural Noun List

Let’s explore Irregular Plurals!

Irregular Plurals or Irregular Plural Noun List

Irregular Plurals or Irregular Plural Noun List, based on the names itself, these are different from regular plural nouns. All the basic details along with the list are captured in this session so that it can be remembered easily. Let’s explore!

Irregular Plurals

Basic of Irregular Plurals

Irregular plurals or irregular plural nouns, as the name suggests, are different from regular plural nouns. These plurals do not have any rules. We have already learned, adding ‘s’ or ‘es’ at the end of a singular noun to make it plural.

But what about if we consider man or deer or child and try to change into plural nouns?

Can we add ‘s’ or ‘es’ here?

Will these be changed like, 

  • a man to mans?
  • or deer to deers?
  • or child to childs? 
irregular plurals noun deer
Irregular plurals noun deer

No! These are not correct plurals in English.

In English Grammar, we say,

  • Man to men
  • Deer to deer
  • Child to children

So, there are no rules here and these kinds of nouns are irregular plurals and we will learn more than 100 irregular plural nouns here.

What are Irregular Plural Nouns?

The plural nouns which are not obeying any rules like regular plurals are called irregular plurals or irregular plural nouns. Sometimes, these are called unusual plurals, due to its unusual behavior.

Irregular plural nouns do not become plural by adding ‘s’ or ‘es’, or any other rules. 

Example of Irregular Plurals

There are thousands of irregular plural nouns in English Grammar. Let us take two examples,

  • aircraft
  • bison

In the case of aircraft or bison, plurals are aircraft and bison respectively instead of aircrafts or bisons. So, no change here.

irregular plurals

Irregular plurals

How to remember the irregular plural nouns list?

So, it is very normal to ask that if there are no rules, how can we remember thousands of irregular plural nouns? It is simple, we have to practice. So, remember to,

  • Read
  • Write
  • Speak
  • Practice
irregular plural nouns list
Irregular plural nouns list

We have captured more than 100 irregular plural nouns widely used in our daily life. I hope, we can learn the most important irregular plurals.

However, we have developed a few tricks as rules so that it will be easy to remember. Before going to the list, we will learn the rules.

Check out our ANIMATED VIDEO!

Rules of Irregular Plural Nouns

Rule#1 There are few singular nouns, which is not change anything when it is changed into plural nouns.

Singular Plural Remarks
deer deer When deer is changed into a plural noun, there will not be any change.
fish fish Same
series series Same
sheep sheep Same
species species Same
trout trout Same
tuna tuna Same

Rule#2 There are few singular nouns, where many letters are changed or the entire letters are modified when it is to be made plural forms.

Singular Plural Remarks
Plural noun of chick = chicken When chick is changed into plural, it doesn’t follow any rule.
Plural noun of child = children Same
Plural noun of die = dice Same
Plural noun of foot = feet Same
Plural noun of goose = geese Same
Plural noun of person = people Same
Plural noun of ox = oxen Same
Plural noun of Man = Men Same
Plural noun of mouse = mice Same
Plural noun of tooth = teeth Same

Rule#3 Some nouns are always singular. They have no plural form.

In the case of many uncountable nouns, the singular form is used to refer to the entire quantity rather than one, two, or more countable items.

  • flour
  • gold
  • silver
  • sugar
  • water

Rule#4 Some nouns have no singular form. These nouns are always plural.

  • jeans
  • binoculars
  • cards
  • games
  • clippers
  • darts
  • gymnastics
  • diseases
  • dominoes
  • ethics
  • glasses
  • linguistics
  • mathematics
  • economics
  • measles
  • trousers
  • physics
  • pants
  • police
  • rabies
  • robbers
  • politics
  • scissors
  • shorts

Rule#5 There are few nouns that have an identical form of singular and plural nouns and both end with ‘s’.

  • barracks,
  • crossroads,
  • headquarters,
  • means,
  • species

Rule#6 Some nouns are used with modifiers. If that is the case, change the noun, not the modifiers. In a hyphenated compound word, you must change the first word into plural form.

Singular Plural
brother-in-law brothers-in-law
editor-in-chief editors-in-chief
mother-in-law mothers-in-law
grandson-in-law grandsons-in-law
guest of honor guests of honor
minister of education ministers of education
runner-up runners-up

Rule#7 Some nouns may have two different kinds of plural.

Fish has two plurals.

  • Fish
  • Fishes

Fish (General Purpose)

  • Normally we use the plural noun fish.
  • Example – I have caught a few fish. Here, few fish mean more than one but the plural noun ‘fish’ is used.

Fishes (it refers to individual fish)

  • She loves aquarium and she has given different names to different fishes. Here, many fishes as all fishes are named individually.

Rule#8 Certain plural nouns are used as a singular.

Example,

  • Mathematics
  • News
  • Luggage
  • Politics

Sentence example,

  • Mathematics is not a difficult subject if you understand properly.
  • The news is really very encouraging for the youth.

Rule#9 Collective nouns are usually singular, even though they might sound plural.

For example,

  • Ambush
  • Flock
  • Herd
  • Bunch

In the above, although ambush, flock, herd, bunch, etc. refer to the group but acts as a single item.

Rule#10 Non-countable nouns do not have plural forms.

For example,

  • Water
  • Soup
  • Ketch-up
  • Sugar

Sentence examples,

  • Water is deep. Here, water used as a singular noun.

Rule#11 Few nouns ending with ‘s’ only have a plural form when it has a certain meaning.

  • Customs (it means customs services at the airport),
  • Goods (things or merchandise, not the opposite of bad),
  • Arms (it refers to weapons here instead of limb)

So, we have learned basic tricks to remember irregular plural nouns, lets check the list of 100 irregular plurals.

100 Irregular Plural Nouns List

We have made a list of more than 100 examples of irregular based on our daily uses. This list is provided with a remark so that we can remember easily.

Let’s explore, 100 irregular plural nouns list.

Sl. No. Singular Plural Remarks
1 aircraft aircraft No change in aircraft, not added any extra letter
2 Alumna Alumnae ‘a’ changed into ‘ae’
3 Antenna antennae ‘a’ changed into ‘ae’
4 Apex apices ‘ex’ changed into ‘ices’
5 Axis axes ‘is’ changed into ‘es’
6 arms arms It refers to weapons, not the limb
7 barracks barracks No change in barracks
8 basis bases ‘is’ changed into ‘es’
9 beau beaux or beaus
10 binoculars binoculars No change in binoculars
11 bison bison No change in bison
12 brother-in-law brothers-in-law The main word ‘brother’ is changed, no change in modifiers
13 bureau bureaux or bureaus
14 cactus cacti ‘us’ changed into ‘i’
15 cards cards No change in cards
16 chick chicken Word is changed in chicken
17 child children Word is changed in children
irregular plural nouns list one
Irregular plural nouns list one
18 clippers clippers No change in clippers
19 cod Cod, cods
20 codes codies ‘es’ changed into ‘ies’
21 corps corps No change in crops
22 corpus corpora
23 crisis crises ‘is’ changed into ‘es’
24 criterion criteria ‘on’ changed into ‘a’
25 crossroads crossroads No change in crossroads
26 customs customs It refers to the airport, not practices
27 darts darts No change in darts
28 deer deer No change in deer
29 diagnosis diagnoses ‘is’ changed into ‘es’
30 die dice or dies
31 diseases diseases No change in diseases
32 dominoes dominoes No change in dominoes
33 Daughter-in-law daughters-in-law The main word ‘daughter’ is changed, no change in modifiers
34 economics economics No change in economics
35 editor-in-chief editors-in-chief The main word ‘editor’ is changed, no change in modifiers
36 elf elves
37 Ellipsis ellipses ‘is’ changed into ‘es’
38 ethics ethics No change in ethics
39 faux pas faux pas
40 fireman firemen Word is changed in firemen
41 fish fish No change in fish. Fish sometimes changed into fishes based on the irregular plural noun rules.
42 foot feet or foot
irregular plural nouns list two
Irregular plural nouns list two
43 fungus fungi ‘us’ changed into ‘i’
44 gallows gallows
45 games games No change in games
46 genus genera or genuses
47 glasses glasses No change in glasses
48 goods goods It refers to merchandise, not related good or bad
49 goose geese Word is changed in geese
50 grandson-in-law grandsons-in-law The main word ‘grandson’ is changed, no change in modifiers
51 grouse grouse No change in grouse
52 guest of honor guests of honor The main word ‘guest’ is changed, no change in modifiers
53 guts guts courage, not intestines
54 gymnastics gymnastics No change in gymnastics
There are so many worksheets for irregular plural nouns available on the internet.
55 headquarters headquarters No change in headquarters
56 jeans jeans No change in jeans
57 knife knives ‘fe’ changed into ‘ves’
58 larva larvae ‘a’ changed into ‘ae’
59 leaf leaves ‘f’ changed into ‘ves’

irregular plural nouns list three

Irregular plural nouns list three

60 linguistics linguistics No change in linguistics
61 louse lice Word is changed in lice
62 man men Word is changed in men
63 mathematics mathematics No change in mathematics
64 means means No change in means
65 measles measles No change in measles
66 Minister of education ministers of education The main word ‘minister’ is changed, no change in modifiers
67 moose moose No change in moose
68 mother-in-law mothers-in-law The main word ‘mother’ is changed, no change in modifiers
69 mouse mice Word is changed
70 nebula nebulae or nebulas
71 news news No change in news
72 offspring offspring or offsprings
73 opus opera or opuses
74 ox oxen Word is changed
75 pants pants No change in pants

irregular plural nouns list four

Irregular plural nouns list four

76 person people Word is changed
77 physics physics No change in physics
78 police police No change in police
79 politics politics No change in politics
80 quail Quail or quails
81 rabies rabies No change in rabies
82 robbers robbers No change in robbers
83 runner-up runners-up
84 salmon salmon or salmons
85 scissors scissors No change in scissors
86 series series No change in series
87 sheep sheep No change in sheep
88 shorts shorts No change in shorts
89 shrimp shrimp or shrimps
irregular plural nouns list five
Irregular plural nouns list five
90 Son-in-law Sons-in-law The main word ‘son’ is changed, no change in modifiers
91 species species No change in species
92 swine swine No change in swine
93 thesis theses
94 tooth teeth Word is changed
95 trousers trousers No change in trousers
96 trout trout or trouts
97 tuna tuna or tunas
98 woman women Word is changed
99 wolf wolves
100 wife wives
irregular plural nouns list six
Irregular plural nouns list six

Conclusion

So, we have learned a big list, around 100 irregular plural nouns which we use in our daily life. If you have any doubt please feel free to write to us.

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