Fair can be a noun or adjective.
NOUN: a place similar to a carnival with animals, games, and food.
ADJECTIVE: in regards to a person's coloring, very sensitive and light. Can also be used to say nice looking/attractive.
Coincide is a verb (happen at the same time) This year my birthday will coincide with the state fair.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "lecturer" is a noun.