triumvirate vs trio

triumvirate and trio both are nouns.

Word	Noun	Adjective	Verb	Adverb
triumvirate	Yes	No	No	No
trio	Yes	No	No	No

As nouns, trio is a hypernym of triumvirate; that is, trio is a word with a broader meaning than triumvirate:

triumvirate: a group of three men responsible for public administration or civil authority
trio: three people considered as a unit

Other hypernyms of triumvirate include threesome, triad, trinity.

triumvirate (noun)	trio (noun)
a group of three men responsible for public administration or civil authority	a musical composition for three performers
	three people considered as a unit
	a set of three similar things considered as a unit
	three performers or singers who perform together
	the cardinal number that is the sum of one and one and one