steepish vs steep

steepish is not a noun while steep is a noun.

Word	Noun	Adjective	Verb	Adverb
steepish	No	Yes	No	No
steep	Yes	Yes	Yes	No

steepish (noun)	steep (noun)
	a steep place (as on a hill)

steepish (adjective)	steep (adjective)
somewhat steep	having a sharp inclination
	of a slope; set at a high angle
	greatly exceeding bounds of reason or moderation

steepish (verb)	steep (verb)
	let sit in a liquid to extract a flavor or to cleanse
	devote (oneself) fully to