Plural Forms Of Nouns
4 minutes • 652 words
When a word denotes only one object, it is singular in number. When it denotes more than one object, it is plural in number.
Rule 1
The general rule for forming plurals is to add -s to the word in the singular number:
SINGULAR | PLURAL |
---|---|
dog | dogs |
book | books |
hand | hands |
house | houses |
town | towns |
village | villages |
Exceptions: If the noun ends in -ss, -sh, -ch, -x or -z, the plural is formed by adding -es to the singular:
SINGULAR | PLURAL |
---|---|
class | classes |
glass | glasses |
bench | benches |
brush | brushes |
box | boxes |
fox | foxes |
topaz | topazes |
Rule 2
If the last letter of the noun is -y and if -y is preceded by a consonant, the plural is formed by changing -y into -ies:
SINGULAR | PLURAL |
---|---|
fly | flies |
sky | skies |
lady | ladies |
family | families |
city | cities |
But if the final -y is preceded by a vowel, the plural is formed by adding only -s to the word in the singular number:
SINGULAR | PLURAL |
---|---|
day | days |
tray | trays |
key | keys |
monkey | monkeys |
boy | boys |
toy | toys |
Rule 3
If the last letter of a noun is -o and if -o is preceded by a consonant, the plural is usually formed by adding -es to the singular:
SINGULAR | PLURAL |
---|---|
hero | heroes |
buffalo | buffaloes |
echo | echoes |
mango | mangoes |
mosquito | mosquitoes |
potato | potatoes |
a. Some exceptions: cantos, mementos, solos, pianos, provisos.
b. The plural of nouns ending in -oo, -io, -eo and -yo is formed by adding -s and not -es:
SINGULAR | PLURAL |
---|---|
bamboo | bamboos |
cuckoo | cuckoos |
portfolio | portfolios |
cameo | cameos |
embryo | embryos |
Rule 4
If a noun ends in -f or -fe, the plural is generally formed by changing -f or -fe into -ves:
SINGULAR | PLURAL |
---|---|
life | lives |
wife | wives |
calf | calves |
knife | knives |
leaf | leaves |
wolf | wolves |
thief | thieves |
Exceptions: The plural of nouns ending in -ief, -ff, -oof, -rf, -eef, is formed by adding only -s to the word in the singular number:
SINGULAR | PLURAL |
---|---|
chief | chiefs |
cliff | cliffs |
proof | proofs |
dwarf | dwarfs |
reef | reefs |
Rule 5
There are eight nouns which form their plurals by changing the inside vowels(s):
SINGULAR | PLURAL |
---|---|
man | men |
woman | women |
foot | feet |
tooth | teeth |
goose | geese |
mouse | mice |
louse | lice |
dormouse | dormice |
Rule 6
There are some nouns which form their plurals by adding -en.
SINGULAR | PLURAL |
---|---|
child | children |
ox | oxen |
brother | brethren (brothers) |
Rule 7
In the case of compound nouns, plurals are fomrned by adding -s to the principal word:
SINGULAR | PLURAL |
---|---|
father-in-law | fathers-in-law |
daughter-in-law | daughters-in-law |
passer-by | passers-by |
step-brother | step-brothers |
commander-in-chief | commanders-in-chief |
Rule 8: Some nouns are singular in form but plural in meaning: cattle, people, swine, vermin, gentry, nobility, aristocracy, clergy, folk, etc.
The Kaoravas wanted to steal the cattle of King Virata. Virtuous people get peace in life.
Rule 9: Some nouns are plural in form but singular in meaning: mathematics, physics, politics, economics, whereabouts, gallows, ethics, etc.
Rule 10
Some nouns have no plural form: alphabet, furniture, poetry, scenery, offspring, luggage, expenditure, issue (in the sense of child or children).
Rule 11
a. Some nouns have only plural form: alms, annals, assets, bellows, riches. b. Some nouns have plural form but are used in the singular: means, news, innings.
Rule 12
Some nouns have double plural forms but with different meanings:
fish (many fish of the same variety) fishes (many fishes of different varieties) people (many people live in Calcutta) peoples (nations – many peoples of the world) System of Making Latin Plurals
For Latin words ending in -um in the singular number, the plural is formed by replacing -um with -a.
SINGULAR | PLURAL |
---|---|
vitum | vita |
stratum | strata |
datum | data |
memorandum | memoranda |
microvitum | microvita |
medium | media |
cash memo | cash mema |
quantum | quanta |
corrigendum | corrigenda |
propagandum | propaganda |
agendum | agenda |
desideratum | desiderata |
For Latin words ending in -us in the singular number, the plural is formed by replacing -us with -i:
SINGULAR | PLURAL |
---|---|
radius | radii |
lotus | loti |
cactus | cacti |
plexus | plexi |
genius | genii |
alumnus | alumni |