triangle vs trigon

triangle and trigon both are nouns.

Word	Noun	Adjective	Verb	Adverb
triangle	Yes	No	No	No
trigon	Yes	No	No	No

As nouns, triangle and trigon are synonyms defined as:

Other synonyms of triangle include trilateral.

triangle (noun)	trigon (noun)
a percussion instrument consisting of a metal bar bent in the shape of an open triangle	a triangular lyre of ancient Greece and Rome
any of various triangular drafting instruments used to draw straight lines at specified angles	(astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees
a three-sided polygon	a three-sided polygon
something approximating the shape of a triangle