bunion vs puffiness

bunion and puffiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
bunion	Yes	No	No	No
puffiness	Yes	No	No	No

As nouns, puffiness is a hypernym of bunion; that is, puffiness is a word with a broader meaning than bunion:

Other hypernyms of bunion include lump, swelling.

bunion (noun)	puffiness (noun)
a painful swelling of the bursa of the first joint of the big toe	lack of elegance as a consequence of being pompous and puffed up with vanity
	an abnormal protuberance or localized enlargement