converge vs mathematics

converge is not a noun while mathematics is a noun.

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

converge (noun)	mathematics (noun)
	a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement

converge (verb)	mathematics (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