inclination vs leaning

inclination and leaning both are nouns.

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

As nouns, inclination and leaning are synonyms defined as:

inclination and leaning: the property possessed by a line or surface that departs from the vertical

Other synonyms of inclination include lean, list, tilt.

As nouns, leaning is a hyponym of inclination; that is, leaning is a word with a more specific, narrower meaning than inclination:

inclination: an attitude of mind especially one that favors one alternative over others
leaning: a natural inclination

As nouns, leaning is a hyponym of inclination; that is, leaning is a word with a more specific, narrower meaning than inclination:

Other hyponyms of inclination include propensity, tendency, stomach, undertow.

inclination (noun)	leaning (noun)
the act of inclining; bending forward	the act of deviating from a vertical position
a characteristic likelihood of or natural disposition toward a certain condition or character or effect	the property possessed by a line or surface that departs from the vertical
the property possessed by a line or surface that departs from the vertical	a natural inclination
an attitude of mind especially one that favors one alternative over others	an inclination to do something
that toward which you are inclined to feel a liking
(physics) the angle that a magnetic needle makes with the plane of the horizon
(geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis)
(astronomy) the angle between the plane of the orbit and the plane of the ecliptic stated in degrees

inclination (adjective)	leaning (adjective)
	departing or being caused to depart from the true vertical or horizontal