eightsome vs octette

eightsome and octette both are nouns.

Word	Noun	Adjective	Verb	Adverb
eightsome	Yes	No	No	No
octette	Yes	No	No	No

As nouns, eightsome and octette are synonyms defined as:

Other synonyms of eightsome include octet.

eightsome (noun)	octette (noun)
a Scottish reel for eight dancers	a musical composition written for eight performers
eight people considered as a unit	eight people considered as a unit
	a set of eight similar things considered as a unit
	eight performers or singers who perform together