"Paper" is usually a noun, but it also be used as a verb, meaning "to cover a surface with paper" [noun].
The word "paper" can function as a noun or a verb. As a noun, it refers to a material made from wood pulp used for writing, printing, or wrapping. As a verb, it means to cover something with paper.
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.
what part of speech is beneath
what part of speech is work
adverb
"Stationary" (meaning "not movable") is an adjective. Note that it sounds like "stationery" (meaning "writing paper") which is a noun.
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.
Sashay is a verb. It means to walk in an exaggerated, showy manner, often with hip swaying.
The word speech is a noun.
Adjective
Yes, conjunction is a part of speech.