Dew worm and Oligochaete

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

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

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