Fishing worm and Oligochaete

Fishing worm noun - Terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers.

Oligochaete and fishing worm are semantically related. In some cases you can use "Oligochaete" instead a noun phrase "Fishing worm".

Oligochaete noun - Hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body.

Fishing worm and oligochaete are semantically related. Sometimes you can replace phrase "Fishing worm" with "Oligochaete", this terms are similar.