gradual vs inclined

gradual is a noun but inclined is not a noun.

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

gradual (noun)	inclined (noun)
(Roman Catholic Church) an antiphon (usually from the Book of Psalms) immediately after the epistle at Mass

gradual (adjective)	inclined (adjective)
proceeding in small stages	at an angle to the horizontal or vertical position
(of a topographical gradient) not steep or abrupt	(often followed by `to') having a preference, disposition, or tendency
	having made preparations