hexad vs sextuplet

hexad and sextuplet both are nouns.

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

As nouns, hexad and sextuplet are synonyms defined as:

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

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

hexad (noun)	sextuplet (noun)
the cardinal number that is the sum of five and one	the cardinal number that is the sum of five and one