Cobra and Spitting cobra

Cobra noun - Venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood.

Spitting cobra and cobra are semantically related. In some cases you can replace phrase "Spitting cobra" with "Cobra", this terms are similar.

Spitting cobra noun - Aggressive cobra widely distributed in Africa; rarely bites but spits venom that may cause blindness.

Cobra and spitting cobra are semantically related. You can use "Cobra" instead a noun phrase "Spitting cobra".