fishing net vs trawl

fishing net and trawl both are nouns.

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

As nouns, trawl is a hyponym of fishing net; that is, trawl is a word with a more specific, narrower meaning than fishing net:

Other hyponyms of fishing net include drift net, gill net, landing net, seine, trammel, trammel net, dragnet, trawl net.

fishing net (noun)	trawl (noun)
a net that will enclose fish when it is pulled in	a conical fishnet dragged through the water at great depths
	a long fishing line with many shorter lines and hooks attached to it (usually suspended between buoys)

fishing net (verb)	trawl (verb)
	fish with trawlers