The plural form of poet is poets.
The abstract noun form of the concrete noun 'poet' is poetry.
The spelling poet's is the singular possessive.The plural possessive is poets'.When the plural ends in 's' you simply add an apostrophe to make it possessive.
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 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."
The plural form of vow is vows.