The suffix -est is used to form the superlative form of adjectives.
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
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.
a speech that someone uses
It must be an adjective.
The word uses is a plural noun. It can also be the present tense of the verb use.
Expedition is a noun in all uses.
Uses is a noun (plural form of use) and a verb (third person singular conjugation of use).
For the most part, it's an adverb. But it does have other uses. See the Dictionary.com link below.
carthage delendia est
Superlative
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb