triplet vs troika

triplet and troika both are nouns.

Word	Noun	Adjective	Verb	Adverb
triplet	Yes	No	No	No
troika	Yes	No	No	No

As nouns, triplet and troika are synonyms defined as:

triplet and troika: the cardinal number that is the sum of one and one and one

Other synonyms of triplet include 3, deuce-ace, III, leash, tercet, ternary, ternion, terzetto, three, threesome, tierce, trey, triad, trine, trinity, trio.

triplet (noun)	troika (noun)
a set of three similar things considered as a unit	a Russian carriage pulled by three horses abreast
one of three offspring born at the same time from the same pregnancy	a modern Russian triumvirate
the cardinal number that is the sum of one and one and one	the cardinal number that is the sum of one and one and one