The plural of party is parties.
The plural form for the demonstrative pronoun this is these.
The word party is a noun. The plural form is parties.
The plural form of the word "inferno" is "infernos."
The plural form of the word "ranch" 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 of the word "baby" is "babies."
The plural form of the word "pharynx" is "pharynges."
The plural form for the word 'pioneer' is pioneers.
The plural form of vow is vows.