rampant vs vertical

rampant is not a noun while vertical is a noun.

Word	Noun	Adjective	Verb	Adverb
rampant	No	Yes	No	No
vertical	Yes	Yes	No	No

rampant (noun)	vertical (noun)
	a vertical structural member as a post or stake
	something that is oriented vertically

rampant (adjective)	vertical (adjective)
(of a plant) having a lush and unchecked growth	at right angles to the plane of the horizon or a base line
rearing on left hind leg with forelegs elevated and head usually in profile	upright in position or posture
unrestrained and violent	relating to or involving all stages of a business from production to distribution
	of or relating to different levels in a hierarchy (as levels of social class or income group)