erectile vs vertical

erectile is not a noun while vertical is a noun.

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

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

erectile (adjective)	vertical (adjective)
capable of being raised to an upright position	at right angles to the plane of the horizon or a base line
filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood	upright in position or posture
	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)