intumesce vs tumefy

intumesce and tumefy both are verbs.

Word	Noun	Adjective	Verb	Adverb
intumesce	No	No	Yes	No
tumefy	No	No	Yes	No

As verbs, intumesce and tumefy are synonyms defined as:

Other synonyms of intumesce include swell, swell up, tumesce.

intumesce (verb)	tumefy (verb)
expand abnormally	expand abnormally
move upwards in bubbles, as from the effect of heating; also used metaphorically	cause to become very swollen