trail vs drag

trail and drag both are nouns.

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

As verbs, drag is a hypernym of trail; that is, drag is a word with a broader meaning than trail:

As verbs, trail and drag are synonyms defined as:

Other synonyms of trail include drop back, drop behind, get behind, hang back.

trail (noun)	drag (noun)
a path or track roughly blazed through wild or hilly country	the act of dragging (pulling with force)
evidence pointing to a possible solution	a slow inhalation (as of tobacco smoke)
a track or mark left by something that has passed	clothing that is conventionally worn by the opposite sex (especially women's clothing when worn by a man)
	something tedious and boring
	something that slows or delays progress
	the phenomenon of resistance to motion through a fluid

trail (verb)	drag (verb)
drag loosely along a surface; allow to sweep the ground	proceed for an extended period of time
hang down so as to drag along the ground	persuade to come away from something attractive or interesting
go after with the intent to catch	suck in or take (air)
move, proceed, or walk draggingly or slowly	pull, as against a resistance
to lag or linger behind	draw slowly or heavily
	search (as the bottom of a body of water) for something valuable or lost
	to lag or linger behind
	walk without lifting the feet
	move slowly and as if with great effort
	use an input device to move objects on the screen, or to select items (such as commands from a menu); drag the slider to increase or decrease rate; drag the handles on the image to resize it
	force into some kind of situation, condition, or course of action