tumefy vs blow up

tumefy and blow up both are verbs.

Word	Noun	Adjective	Verb	Adverb
tumefy	No	No	Yes	No
blow up	No	No	Yes	No

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

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

tumefy (verb)	blow up (verb)
expand abnormally	make large
cause to become very swollen	exaggerate or make bigger
	to swell or cause to enlarge
	cause to burst with a violent release of energy
	fill with gas or air
	burst and release energy as through a violent chemical or physical reaction
	add details to
	get very angry and fly into a rage