The word somewhere is an adverb. It means in an unspecified location.
adverb
what part of speech is beneath
i want to know what part of speech is camping
The part of speech is a adjective
Oppose is a verb.
"Anything" can be classified as a pronoun or a noun, depending on how it is used in a sentence.
A noun (like anything ending in -ISM).
It is an adverb because anything with ly in the end is an adverb.
I think yesterday is a noun, because it is definitley not a verb or adjective. It is not an action and it does not describe anything.
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.