eruption vs erupt

eruption is a noun but erupt is not a noun.

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

eruption (noun)	erupt (noun)
the sudden occurrence of a violent discharge of steam and volcanic material
a sudden very loud noise
the emergence of a tooth as it breaks through the gum
a sudden violent spontaneous occurrence (usually of some undesirable condition)
(of volcanoes) pouring out fumes or lava (or a deposit so formed)
symptom consisting of a breaking out and becoming visible

eruption (verb)	erupt (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