The word 'plum' is a noun, a singular, common, concrete noun; a word for a fruit or the color of the fruit; a word for a thing. The word 'plum' is also an adjective, a word that describes a noun as the color of the fruit. Examples:
Noun: Would you like a plum or some grapes?
Adjective: It's the second house from the corner with the plum shutters.
The word 'plum' is also used as an alternate spelling for the homonym 'plumb' which functions as a verb, an adverb, a noun, and an adjective.
adverb
what part of speech is work
i want to know what part of speech is camping
what part of speech is beneath
what part of speech is eleven
The word "plum" can function as a noun or an adjective.
The part of speech for "answer" is a noun.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
adverb
what part of speech is work
dried fruit (plum with seed).
The part of speech for "explicit" is an adjective.
The part of speech for "unfamiliar" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech of "came" is a verb.