giant lizard vs Komodo dragon

giant lizard and Komodo dragon both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant lizard	Yes	No	No	No
Komodo dragon	Yes	No	No	No

As nouns, giant lizard and Komodo dragon are synonyms defined as:

giant lizard and Komodo dragon: the largest lizard in the world (10 feet); found on Indonesian islands

Other synonyms of giant lizard include dragon lizard, Komodo lizard, Varanus komodoensis.

giant lizard (noun)	Komodo dragon (noun)
the largest lizard in the world (10 feet); found on Indonesian islands	the largest lizard in the world (10 feet); found on Indonesian islands