rise up vs intumesce

rise up and intumesce both are verbs.

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

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

rise up: come to the surface
intumesce: move upwards in bubbles, as from the effect of heating; also used metaphorically

Other hyponyms of rise up include emerge, resurface, bubble up, swell, well.

rise up (verb)	intumesce (verb)
come to the surface	expand abnormally
stand up on the hind legs, of quadrupeds	move upwards in bubbles, as from the effect of heating; also used metaphorically
take part in a rebellion; renounce a former allegiance