landing net vs fishnet

landing net and fishnet both are nouns.

Word	Noun	Adjective	Verb	Adverb
landing net	Yes	No	No	No
fishnet	Yes	No	No	No

As nouns, fishnet is a hypernym of landing net; that is, fishnet is a word with a broader meaning than landing net:

landing net: a bag-shaped fishnet on a long handle to take a captured fish from the water
fishnet: a net that will enclose fish when it is pulled in

Other hypernyms of landing net include fishing net.

landing net (noun)	fishnet (noun)
a bag-shaped fishnet on a long handle to take a captured fish from the water	a net that will enclose fish when it is pulled in