tumidness vs puffiness

tumidness and puffiness both are nouns.

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

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

Other hypernyms of tumidness include lump, swelling.

tumidness (noun)	puffiness (noun)
slight swelling of an organ or part	lack of elegance as a consequence of being pompous and puffed up with vanity
	an abnormal protuberance or localized enlargement