Anguid lizard and Slowworm

Anguid lizard noun - Any of a small family of lizards widely distributed in warm areas; all are harmless and useful as destroyers of e.g. slugs and insects.

Slowworm and anguid lizard are semantically related. In some cases you can replace term "Slowworm" with "Anguid lizard", this terms are similar.

Slowworm noun - Small burrowing legless European lizard with tiny eyes; popularly believed to be blind.

Anguid lizard and slowworm are semantically related. You can use "Anguid lizard" instead a noun "Slowworm".