Words that are made plural by changing the spelling instead of adding an 's' or 'es' are called irregular plurals. Some examples of irregular plurals are:
singular / plural
alumnus / alumni
cactus / cacti
calf / calves
child / children
datum / data
foot / feet
goose / geese
knife / knives
leaf / leaves
life / lives
man / men
mouse / mice
ox / oxen
person / people
tooth / teeth
woman / women
Saving and Savings are both different words with totally different meanings. Neither word has a plural.
The words was and were are not singular or plural, BUT... WAS is used after a singular noun, and WERE is used after a plural noun. Examples: The dog (a singular noun) WAS walking in the park today. The dogs (a plural noun) WERE walking in the park today. A helpful saying to remember; He WAS, they WERE.
Examples of nouns that do not change form for singular to plural:advicedeerbinocularsmeansoffspringpantssalmonscissorssheepspeciesswinetrout
Plural
Nouns that are always plural with no singular form are:newsmathematicsclothes
Examples of nouns that are the same in the singular and plural form:deerfishfurnitureoffspringpoultrysalmonsheepswinetroutyouth
Examples of nouns that are the same in the singular and the plural:sheepdeergrouseChineseSwissLebaneseoffspringknowledgebarracksinformationbutterswine
Examples of nouns that are plural in form but singular in meaning include "scissors," "pants," "physics," "politics," and "gymnastics." These words refer to singular items or concepts even though they are grammatically plural.
Saving and Savings are both different words with totally different meanings. Neither word has a plural.
The words was and were are not singular or plural, BUT... WAS is used after a singular noun, and WERE is used after a plural noun. Examples: The dog (a singular noun) WAS walking in the park today. The dogs (a plural noun) WERE walking in the park today. A helpful saying to remember; He WAS, they WERE.
Examples of nouns that do not change form for singular to plural:advicedeerbinocularsmeansoffspringpantssalmonscissorssheepspeciesswinetrout
this are irregular nouns Those words are called irregular nouns.
wife wives safe safes knife knives
Fire Fly-Fire Flies
Singular: book / Plural: books Singular: cat / Plural: cats Singular: child / Plural: children Singular: foot / Plural: feet
Words that are the same in the singular and plural:scissorsinformationsheepmusicnewstrousersheadquartersgolddeeroffspring
what are the greek words end by 'on' in singular and change to 'a' in plural?