Naja haje vs cobra

Naja haje and cobra both are nouns.

Word	Noun	Adjective	Verb	Adverb
Naja haje	Yes	No	No	No
cobra	Yes	No	No	No

As nouns, cobra is a hypernym of Naja haje; that is, cobra is a word with a broader meaning than Naja haje:

Naja haje: cobra used by the Pharaohs as a symbol of their power over life and death
cobra: venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood

Naja haje (noun)	cobra (noun)
cobra used by the Pharaohs as a symbol of their power over life and death	venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood