cohabit vs live together

cohabit and live together both are verbs.

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

As verbs, cohabit and live together are synonyms defined as:

cohabit and live together: share living quarters; usually said of people who are not married and live together as a couple

Other synonyms of cohabit include shack up.

cohabit (verb)	live together (verb)
share living quarters; usually said of people who are not married and live together as a couple	share living quarters; usually said of people who are not married and live together as a couple
exist together