rebellion vs insurrection

rebellion and insurrection both are nouns.

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

As nouns, rebellion and insurrection are synonyms defined as:

rebellion and insurrection: organized opposition to authority; a conflict in which one faction tries to wrest control from another

Other synonyms of rebellion include revolt, rising, uprising.

rebellion (noun)	insurrection (noun)
organized opposition to authority; a conflict in which one faction tries to wrest control from another	organized opposition to authority; a conflict in which one faction tries to wrest control from another
refusal to accept some authority or code or convention