combustion vs flaming

combustion and flaming both are nouns.

Word	Noun	Adjective	Verb	Adverb
combustion	Yes	No	No	No
flaming	Yes	Yes	No	No

As nouns, flaming is a hyponym of combustion; that is, flaming is a word with a more specific, narrower meaning than combustion:

combustion: a process in which a substance reacts with oxygen to give heat and light
flaming: the process of combustion of inflammable materials producing heat and light and (often) smoke

Other hyponyms of combustion include deflagration, fire, flame, internal combustion.

combustion (noun)	flaming (noun)
the act of burning something	the process of combustion of inflammable materials producing heat and light and (often) smoke
a process in which a substance reacts with oxygen to give heat and light
a state of violent disturbance and excitement

combustion (adjective)	flaming (adjective)
	passionate or quick-tempered
	informal intensifiers