Books
The plural form for the demonstrative pronoun this is these.
The plural form of the word inferno is infernos.
The plural form of novel, when referring to a book, is "novels". When the word novel is referring to something, such as a 'novel idea', it is an adjective, so does not have a plural form.
The plural form is ranches.
There is no plural form for the word, countries. This word itself is a plural.
There is no plural word for if.
The plural form is data.
The plural form for the word 'pioneer' is pioneers.
The plural form of the word "baby" is "babies."
The plural form of the word "pharynx" is "pharynges."
The plural form of vow is vows.
The noun "uncles" is the plural form of the singular noun "uncle".Examples:Both of my uncles are bald. (plural, two uncles)My uncle gave me the book. (singular, one uncle)