VI vs sextet

VI and sextet both are nouns.

Word	Noun	Adjective	Verb	Adverb
VI	Yes	No	No	No
sextet	Yes	No	No	No

As nouns, VI and sextet are synonyms defined as:

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

VI (noun)	sextet (noun)
more than 130 southeastern Virgin Islands; a dependent territory of the United States	a musical composition written for six performers
the cardinal number that is the sum of five and one	six people considered as a unit
	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