fleshiness vs blubber

fleshiness and blubber both are nouns.

Word	Noun	Adjective	Verb	Adverb
fleshiness	Yes	No	No	No
blubber	Yes	No	Yes	No

As nouns, blubber is a hypernym of fleshiness; that is, blubber is a word with a broader meaning than fleshiness:

Other hypernyms of fleshiness include avoirdupois, fat, fatness.

fleshiness (noun)	blubber (noun)
more than average fatness	excess bodily weight
	an insulating layer of fat under the skin of whales and other large marine mammals; used as a source of oil

fleshiness (verb)	blubber (verb)
	cry or whine with snuffling
	utter while crying