intumesce vs puff out

intumesce and puff out both are verbs.

Word	Noun	Adjective	Verb	Adverb
intumesce	No	No	Yes	No
puff out	No	No	Yes	No

As verbs, puff out is a hyponym of intumesce; that is, puff out is a word with a more specific, narrower meaning than intumesce:

Other hyponyms of intumesce include distend, belly, belly out, blow up, puff, puff up, bloat, blister, vesicate.

intumesce (verb)	puff out (verb)
expand abnormally	to swell or cause to enlarge
move upwards in bubbles, as from the effect of heating; also used metaphorically