hit it off vs relate

hit it off and relate both are verbs.

Word	Noun	Adjective	Verb	Adverb
hit it off	No	No	Yes	No
relate	No	No	Yes	No

As verbs, relate is a hypernym of hit it off; that is, relate is a word with a broader meaning than hit it off:

hit it off (verb)	relate (verb)
have smooth relations	make a logical or causal connection
	give an account of; narrate
	have or establish a relationship to
	be relevant to
	be in a relationship with