fleshiness vs stoutness

fleshiness and stoutness both are nouns.

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

As nouns, stoutness is a hyponym of fleshiness; that is, stoutness is a word with a more specific, narrower meaning than fleshiness:

Other hyponyms of fleshiness include adiposis, corpulence, overweight, exogenous obesity, embonpoint, plumpness, roundness.

fleshiness (noun)	stoutness (noun)
more than average fatness	the property of excessive fatness
	the property of being strong and resolute