sextuplet vs Captain Hicks

sextuplet and Captain Hicks both are nouns.

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

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

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

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

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