flight simulator vs trainer

flight simulator and trainer both are nouns.

Word	Noun	Adjective	Verb	Adverb
flight simulator	Yes	No	No	No
trainer	Yes	No	No	No

As nouns, flight simulator and trainer are synonyms defined as:

flight simulator and trainer: simulator consisting of a machine on the ground that simulates the conditions of flying a plane

flight simulator (noun)	trainer (noun)
simulator consisting of a machine on the ground that simulates the conditions of flying a plane	simulator consisting of a machine on the ground that simulates the conditions of flying a plane
	one who trains other persons or animals