fellow vs couple

fellow and couple both are nouns.

Word	Noun	Adjective	Verb	Adverb
fellow	Yes	No	No	No
couple	Yes	No	Yes	No

fellow (noun)	couple (noun)
a boy or man	a pair who associate with one another
a man who is the lover of a man or woman	a pair of people who live together
a friend who is frequently in the company of another	(physics) something joined by two equal and opposite forces that act along parallel lines
a person who is member of one's class or profession	two items of the same kind
an informal form of address for a man	a small indefinite number
a member of a learned society
one of a pair

fellow (verb)	couple (verb)
	engage in sexual intercourse
	link together
	bring two objects, ideas, or people together
	form a pair or pairs