monitor lizard vs varan

monitor lizard and varan both are nouns.

Word	Noun	Adjective	Verb	Adverb
monitor lizard	Yes	No	No	No
varan	Yes	No	No	No

As nouns, monitor lizard and varan are synonyms defined as:

monitor lizard and varan: any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles

Other synonyms of monitor lizard include monitor.

monitor lizard (noun)	varan (noun)
any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles	any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles