The word foil is a noun.
It can also be a verb meaning to prevent someone from accomplishing something.
Exponential is an adjective.
Allegory is a noun.
Overcome is a verb.
we need to use the foil system in math.
A verb, more particularly a "linking verb."
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "lecturer" is a noun.
The part of speech for "indefinite" is an adjective.
The part of speech for "buried" is a verb.