combust vs anger

combust is not a noun while anger is a noun.

Word	Noun	Adjective	Verb	Adverb
combust	No	No	Yes	No
anger	Yes	No	Yes	No

As verbs, anger is a hypernym of combust; that is, anger is a word with a broader meaning than combust:

combust (noun)	anger (noun)
	belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)
	a strong emotion; a feeling that is oriented toward some real or supposed grievance
	the state of being angry

combust (verb)	anger (verb)
undergo combustion	make angry
get very angry and fly into a rage	become angry
cause to become violent or angry
start to burn or burst into flames
cause to burn or combust