sextet vs sixsome

sextet and sixsome both are nouns.

Word	Noun	Adjective	Verb	Adverb
sextet	Yes	No	No	No
sixsome	Yes	No	No	No

As nouns, sextet and sixsome are synonyms defined as:

Other synonyms of sextet include sextette.

sextet (noun)	sixsome (noun)
a musical composition written for six performers	six people considered as a unit
six people considered as a unit
a set of six similar things considered as a unit
six performers or singers who perform together
the cardinal number that is the sum of five and one