trail vs trailer

trail and trailer both are nouns.

Word	Noun	Adjective	Verb	Adverb
trail	Yes	No	Yes	No
trailer	Yes	No	No	No

trail (noun)	trailer (noun)
a path or track roughly blazed through wild or hilly country	a wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy
evidence pointing to a possible solution	a large transport conveyance designed to be pulled by a truck or tractor
a track or mark left by something that has passed	an advertisement consisting of short scenes from a motion picture that will appear in the near future
	someone who takes more time than necessary; someone who lags behind

trail (verb)	trailer (verb)
drag loosely along a surface; allow to sweep the ground
hang down so as to drag along the ground
go after with the intent to catch
move, proceed, or walk draggingly or slowly
to lag or linger behind