great white shark vs white shark

great white shark and white shark both are nouns.

Word	Noun	Adjective	Verb	Adverb
great white shark	Yes	No	No	No
white shark	Yes	No	No	No

As nouns, great white shark and white shark are synonyms defined as:

great white shark and white shark: large aggressive shark widespread in warm seas; known to attack humans

Other synonyms of great white shark include Carcharodon carcharias, man-eater, man-eating shark.

great white shark (noun)	white shark (noun)
large aggressive shark widespread in warm seas; known to attack humans	large aggressive shark widespread in warm seas; known to attack humans