years
The word 'years' is the plural form of the singular 'year'.
The plural form for the proper noun Charles is Charleses.Examples: Both of the Charleses are in my class this year.
The plural form for the demonstrative pronoun this is these.
The plural form of the word inferno is infernos.
The plural form is ranches.
There is no plural word for if.
There is no plural form for the word, countries. This word itself is a plural.
The noun 'years' is a plural, common, abstract noun, the plural form of the singular noun 'year'; a word for a 365 day period; a word for a thing.
The plural form is data.
The plural form of the word "baby" is "babies."
The plural form for the word 'pioneer' is pioneers.
The plural form of the word "pharynx" is "pharynges."