iguanid lizard vs iguanid

iguanid lizard and iguanid both are nouns.

Word	Noun	Adjective	Verb	Adverb
iguanid lizard	Yes	No	No	No
iguanid	Yes	No	No	No

As nouns, iguanid lizard and iguanid are synonyms defined as:

iguanid lizard and iguanid: lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males

iguanid lizard (noun)	iguanid (noun)
lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males	lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males