incinerate vs burn up

incinerate and burn up both are verbs.

Word	Noun	Adjective	Verb	Adverb
incinerate	No	No	Yes	No
burn up	No	No	Yes	No

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

Other hypernyms of incinerate include burn down, go up.

incinerate (verb)	burn up (verb)
cause to undergo combustion	burn completely; be consumed or destroyed by fire
become reduced to ashes	use up (energy)
	burn brightly