bunion vs lump

bunion and lump both are nouns.

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

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

Other hypernyms of bunion include puffiness, swelling.

bunion (noun)	lump (noun)
a painful swelling of the bursa of the first joint of the big toe	a compact mass
	a large piece of something without definite shape
	an awkward stupid person
	an abnormal protuberance or localized enlargement

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