"Paper" is usually a noun, but it also be used as a verb, meaning "to cover a surface with paper" [noun].
Essay is a noun. It is a written paper on a topic.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The word "strip" can function as both a verb and a noun. As a verb, it means to remove clothing or covering from something. As a noun, it refers to a long, narrow piece of something, such as a strip of paper or land. The context in which it is used determines its part of speech.
It can be a verb or a noun, depending on how it's used. noun: There is a mark on the wall. verb: I marked the paper with my name.
"Stationary" (meaning "not movable") is an adjective. Note that it sounds like "stationery" (meaning "writing paper") which is a noun.
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.