sextet vs Captain Hicks

sextet and Captain Hicks both are nouns.

Word	Noun	Adjective	Verb	Adverb
sextet	Yes	No	No	No
Captain Hicks	Yes	No	No	No

As nouns, sextet and Captain Hicks are synonyms defined as:

sextet and Captain Hicks: the cardinal number that is the sum of five and one

Other synonyms of sextet include 6, half a dozen, hexad, sestet, sextuplet, sise, six, sixer, VI.

sextet (noun)	Captain Hicks (noun)
a musical composition written for six performers	the cardinal number that is the sum of five and one
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