remain vs linger

remain and linger both are verbs.

Word	Noun	Adjective	Verb	Adverb
remain	No	No	Yes	No
linger	No	No	Yes	No

As verbs, linger is a hyponym of remain; that is, linger is a word with a more specific, narrower meaning than remain:

Other hyponyms of remain include stick.

remain (verb)	linger (verb)
stay the same; remain in a certain state	take one's time; proceed slowly
be in a certain place and not leave	leave slowly and hesitantly
continue in a place, position, or situation	be about a place without any apparent purpose
be left; of persons, questions, problems, results, evidence, etc.	to hang about in a place beyond the proper or usual time
	remain present although waning or gradually dying