Well, honey, "mouse" can be a noun or a verb depending on how you use it. As a noun, it's a small rodent that loves cheese, and as a verb, it means to move around quietly or sneakily. So, next time you see a mouse, just remember it can be more than just a little critter scurrying around your kitchen.
noun
The word mice is a noun. It is the plural form of the word mouse.
part of speech
The part of speech for this particular word is a noun.
Mouse
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.