ternion vs trine

ternion and trine both are nouns.

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

As nouns, ternion and trine are synonyms defined as:

ternion and trine: 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, trinity, trio, triplet, troika.

ternion (noun)	trine (noun)
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