Some nouns have irregular plural forms without s
සමහර නාමපද වල බහූ වචනය s එකතු කර සාදා නොගැනේ.

man > men
woman > women
child > children

To show possession, we usually add 's to the plural form of these nouns:
අයිතිය හැඟවීමේදී බහුවචනයට 's එකතු කිරීම සාමාන්‍ය ක්‍රමය වේ.

singular noun - plural noun
our child's dog - our children's dog
the man's car - the men's car
a person's clothes- people's clothes
the mouse's cage - the mice's cage

Noun type	Forming the plural	Examples
Ends with -fe	Change f to v then Add -s	knife - knives life - lives wife - wives
Ends with -f	Change f to v then Add -es	half - halves wolf - wolves loaf - loaves
Ends with -o	Add -es	potato - potatoes tomato - tomatoes volcano - volcanoes
ends with -us	Change -us to -i	cactus - cacti nucleus - nuclei focus - foci
ends with -is	Change -is to -es	analysis - analyses crisis - crises thesis - theses
ends with -on	Change -on to -a	phenomenon - phenomena criterion - criteria
ALL KINDS	Change the vowel or Change the word or Add a different ending	man - men foot - feet child - children person - people tooth - teeth mouse - mice
Unchanging	Singular and plural are the same	sheep deer fish (sometimes)

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