Lacertilia vs Sauria

Lacertilia and Sauria both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lacertilia	Yes	No	No	No
Sauria	Yes	No	No	No

As nouns, Lacertilia and Sauria are synonyms defined as:

Other synonyms of Lacertilia include suborder Lacertilia, suborder Sauria.

Lacertilia (noun)	Sauria (noun)
true lizards; including chameleons and geckos	true lizards; including chameleons and geckos