trawl net vs dragnet

trawl net and dragnet both are nouns.

Word	Noun	Adjective	Verb	Adverb
trawl net	Yes	No	No	No
dragnet	Yes	No	No	No

As nouns, trawl net and dragnet are synonyms defined as:

trawl net and dragnet: a conical fishnet dragged through the water at great depths

Other synonyms of trawl net include trawl.

trawl net (noun)	dragnet (noun)
a conical fishnet dragged through the water at great depths	a conical fishnet dragged through the water at great depths
	a system of coordinated measures for apprehending (criminals or other individuals)