slowworm vs anguid lizard

slowworm and anguid lizard both are nouns.

Word	Noun	Adjective	Verb	Adverb
slowworm	Yes	No	No	No
anguid lizard	Yes	No	No	No

As nouns, anguid lizard is a hypernym of slowworm; that is, anguid lizard is a word with a broader meaning than slowworm:

slowworm: small burrowing legless European lizard with tiny eyes; popularly believed to be blind
anguid lizard: 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 (noun)	anguid lizard (noun)
small burrowing legless European lizard with tiny eyes; popularly believed to be blind	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