Jumps is a verb. It describes an action.
Jumped is a verb. It's the past tense of jump.
The word clue is a noun, as in, the detective was looking for a clue. It is used in an idiomatic way as a verb, as in, I would like somebody to clue me in.
A verb is a word that describes an action. For example: "Billy jumps." Jumps is the verb. "Daryl dances." Dances is the verb. If you are asking about the word "speech," it is a noun, but it can become a verb: to speak.
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.