inclination vs tendency

inclination and tendency both are nouns.

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

As nouns, inclination and tendency are synonyms defined as:

inclination and tendency: a characteristic likelihood of or natural disposition toward a certain condition or character or effect

As nouns, inclination and tendency are synonyms defined as:

inclination and tendency: an attitude of mind especially one that favors one alternative over others

Other synonyms of inclination include disposition.

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

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

inclination (noun)	tendency (noun)
the act of inclining; bending forward	a characteristic likelihood of or natural disposition toward a certain condition or character or effect
a characteristic likelihood of or natural disposition toward a certain condition or character or effect	an attitude of mind especially one that favors one alternative over others
the property possessed by a line or surface that departs from the vertical	an inclination to do something
an attitude of mind especially one that favors one alternative over others	a general direction in which something tends to move
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