steep vs gradual

steep and gradual both are nouns.

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

steep (noun)	gradual (noun)
a steep place (as on a hill)	(Roman Catholic Church) an antiphon (usually from the Book of Psalms) immediately after the epistle at Mass

steep (adjective)	gradual (adjective)
having a sharp inclination	proceeding in small stages
of a slope; set at a high angle	(of a topographical gradient) not steep or abrupt
greatly exceeding bounds of reason or moderation

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