Dew worm and Oligochaete worm

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

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

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