puff up vs intumesce

puff up and intumesce both are verbs.

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

As verbs, intumesce is a hypernym of puff up; that is, intumesce is a word with a broader meaning than puff up:

Other hypernyms of puff up include swell, swell up, tumefy, tumesce.

puff up (verb)	intumesce (verb)
make larger or distend	expand abnormally
to swell or cause to enlarge	move upwards in bubbles, as from the effect of heating; also used metaphorically
praise extravagantly
become filled with pride, arrogance, or anger