unite vs integrate

unite and integrate both are verbs.

Word	Noun	Adjective	Verb	Adverb
unite	No	No	Yes	No
integrate	No	No	Yes	No

As verbs, integrate is a hypernym of unite; that is, integrate is a word with a broader meaning than unite:

unite (verb)	integrate (verb)
become one	make into a whole or make part of a whole
join or combine	become one; become integrated
act in concert or unite in a common purpose or belief	calculate the integral of; calculate by integration
bring together for a common purpose or action or ideology or in a shared situation	open (a place) to members of all races and ethnic groups
have or possess in combination
be or become joined or united or linked