dragnet vs trawl net

dragnet and trawl net both are nouns.

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

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

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

Other synonyms of dragnet include trawl.

dragnet (noun)	trawl net (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)