stuffiness vs gravity

stuffiness and gravity both are nouns.

Word	Noun	Adjective	Verb	Adverb
stuffiness	Yes	No	No	No
gravity	Yes	No	No	No

As nouns, gravity is a hypernym of stuffiness; that is, gravity is a word with a broader meaning than stuffiness:

Other hypernyms of stuffiness include graveness, soberness, sobriety, somberness, sombreness.

stuffiness (noun)	gravity (noun)
dull and pompous gravity	a manner that is serious and solemn
the quality of being close and poorly ventilated	a solemn and dignified feeling
state of obstruction or stoppage or air in the nose or throat	(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface