rebellion vs mutiny

rebellion and mutiny both are nouns.

Word	Noun	Adjective	Verb	Adverb
rebellion	Yes	No	No	No
mutiny	Yes	No	Yes	No

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

rebellion: organized opposition to authority; a conflict in which one faction tries to wrest control from another
mutiny: open rebellion against constituted authority (especially by seamen or soldiers against their officers)

Other hyponyms of rebellion include insurgence, insurgency, intifada, intifadah.

rebellion (noun)	mutiny (noun)
organized opposition to authority; a conflict in which one faction tries to wrest control from another	open rebellion against constituted authority (especially by seamen or soldiers against their officers)
refusal to accept some authority or code or convention

rebellion (verb)	mutiny (verb)
	engage in a mutiny against an authority