puffiness vs lump

puffiness and lump both are nouns.

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

As nouns, puffiness and lump are synonyms defined as:

Other synonyms of puffiness include swelling.

puffiness (noun)	lump (noun)
lack of elegance as a consequence of being pompous and puffed up with vanity	a compact mass
an abnormal protuberance or localized enlargement	a large piece of something without definite shape
	an awkward stupid person
	an abnormal protuberance or localized enlargement

puffiness (verb)	lump (verb)
	group or chunk together in a certain order or place side by side
	put together indiscriminately