converge vs convergent

converge is not an adjective while convergent is an adjective.

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

converge (adjective)	convergent (adjective)
	tending to come together from different directions

converge (verb)	convergent (verb)
come together so as to form a single product
move or draw together at a certain location
be adjacent or come together
approach a limit as the number of terms increases without limit