hexad vs Captain Hicks

hexad and Captain Hicks both are nouns.

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

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

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

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

hexad (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