erupt vs eruptive

erupt is not an adjective while eruptive is an adjective.

Word	Noun	Adjective	Verb	Adverb
erupt	No	No	Yes	No
eruptive	No	Yes	No	No

erupt (adjective)	eruptive (adjective)
	produced by the action of fire or intense heat
	producing or characterized by eruptions
	actively spewing out lava

erupt (verb)	eruptive (verb)
become active and spew forth lava and rocks
start abruptly
erupt or intensify suddenly
become raw or open
break out
appear on the skin
force out or release suddenly and often violently something pent up
start to burn or burst into flames