ternion vs troika

ternion and troika both are nouns.

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

As nouns, ternion and troika are synonyms defined as:

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

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

ternion (noun)	troika (noun)
the cardinal number that is the sum of one and one and one	a Russian carriage pulled by three horses abreast
	a modern Russian triumvirate
	the cardinal number that is the sum of one and one and one