sextuplet vs sestet

sextuplet and sestet both are nouns.

Word	Noun	Adjective	Verb	Adverb
sextuplet	Yes	No	No	No
sestet	Yes	No	No	No

As nouns, sextuplet and sestet are synonyms defined as:

sextuplet and sestet: the cardinal number that is the sum of five and one

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

sextuplet (noun)	sestet (noun)
the cardinal number that is the sum of five and one	a musical composition written for six performers
	a rhythmic group of six lines of verse
	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