Will hurt is a verb (future tense).
adjective
It is a noun. My wrist hurts. So it is literal.
the part that hurts
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 back arm hurts the most for some reason.
The word hand is a noun. The plural noun is hands. "Becky's hand hurts today." Hand is also a verb. "Please hand me the bowl."
The part of speech for "unfamiliar" is an adjective.
The part of speech for "twirl" is a verb.