orientation vs inclined

orientation is a noun but inclined is not a noun.

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

orientation (noun)	inclined (noun)
the act of orienting
a course introducing a new situation or environment
an integrated set of attitudes and beliefs
a person's awareness of self with regard to position and time and place and personal relationships
a predisposition in favor of something
position or alignment relative to points of the compass or other specific directions

orientation (adjective)	inclined (adjective)
	at an angle to the horizontal or vertical position
	(often followed by `to') having a preference, disposition, or tendency
	having made preparations