Angleworm and Red worm

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

Red worm is a synonym for angleworm. In some cases you can use "Red worm" instead a noun "Angleworm".

Red 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.

Angleworm is a synonym for red worm. You can use "Angleworm" instead a noun phrase "Red worm".