inclination vs buoyancy

inclination and buoyancy both are nouns.

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

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

inclination: a characteristic likelihood of or natural disposition toward a certain condition or character or effect
buoyancy: the tendency to float in water or other liquid

Other hyponyms of inclination include heterosis, hybrid vigor, electronegativity, negativity, stainability, desire.

inclination (noun)	buoyancy (noun)
the act of inclining; bending forward	the property of something weightless and insubstantial
a characteristic likelihood of or natural disposition toward a certain condition or character or effect	irrepressible liveliness and good spirit
the property possessed by a line or surface that departs from the vertical	the tendency to float in water or other liquid
an attitude of mind especially one that favors one alternative over others	cheerfulness that bubbles to the surface
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