Captain Hicks vs hexad

Captain Hicks and hexad both are nouns.

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

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

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

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

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