live together vs dwell

live together and dwell both are verbs.

Word	Noun	Adjective	Verb	Adverb
live together	No	No	Yes	No
dwell	No	No	Yes	No

As verbs, dwell is a hypernym of live together; that is, dwell is a word with a broader meaning than live together:

live together: share living quarters; usually said of people who are not married and live together as a couple
dwell: be an inhabitant of or reside in

Other hypernyms of live together include inhabit, live, populate.

live together (verb)	dwell (verb)
share living quarters; usually said of people who are not married and live together as a couple	think moodily or anxiously about something
	come back to
	be an inhabitant of or reside in
	originate (in)
	exist or be situated within