The plural form of fire station is fire stations,
firemen
There is no plural form for the word, countries. This word itself is a plural.
The plural form for the demonstrative pronoun this is these.
The plural form of the word "inferno" is "infernos."
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.
In Chinese, the plural form of the word "minute" is "分钟" (fēnzhōng).
The plural form for the noun valley is valleys.
The plural of diary is diaries.
The plural form of the word 'deed' is 'deeds'.