unify vs converge

unify and converge both are verbs.

Word	Noun	Adjective	Verb	Adverb
unify	No	No	Yes	No
converge	No	No	Yes	No

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

unify (verb)	converge (verb)
become one	come together so as to form a single product
join or combine	move or draw together at a certain location
to bring or combine together or with something else	be adjacent or come together
act in concert or unite in a common purpose or belief	approach a limit as the number of terms increases without limit
bring together for a common purpose or action or ideology or in a shared situation