turn signal vs trafficator

turn signal and trafficator both are nouns.

Word	Noun	Adjective	Verb	Adverb
turn signal	Yes	No	No	No
trafficator	Yes	No	No	No

As nouns, turn signal and trafficator are synonyms defined as:

turn signal and trafficator: a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn

Other synonyms of turn signal include blinker, turn indicator.

turn signal (noun)	trafficator (noun)
a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn	a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn