inclined vs leaning

inclined is not a noun while leaning is a noun.

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

inclined (noun)	leaning (noun)
	the act of deviating from a vertical position
	the property possessed by a line or surface that departs from the vertical
	a natural inclination
	an inclination to do something

inclined (adjective)	leaning (adjective)
at an angle to the horizontal or vertical position	departing or being caused to depart from the true vertical or horizontal
(often followed by `to') having a preference, disposition, or tendency
having made preparations