buoyancy vs liveliness

buoyancy and liveliness both are nouns.

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

As nouns, liveliness is a hypernym of buoyancy; that is, liveliness is a word with a broader meaning than buoyancy:

Other hypernyms of buoyancy include life, spirit, sprightliness.

buoyancy (noun)	liveliness (noun)
the property of something weightless and insubstantial	general activity and motion
irrepressible liveliness and good spirit	animation and energy in action or expression
the tendency to float in water or other liquid
cheerfulness that bubbles to the surface