rinkhals vs elapid

rinkhals and elapid both are nouns.

Word	Noun	Adjective	Verb	Adverb
rinkhals	Yes	No	No	No
elapid	Yes	No	No	No

As nouns, elapid is a hypernym of rinkhals; that is, elapid is a word with a broader meaning than rinkhals:

rinkhals: highly venomous snake of southern Africa able to spit venom up to seven feet
elapid: any of numerous venomous fanged snakes of warmer parts of both hemispheres

Other hypernyms of rinkhals include elapid snake.

rinkhals (noun)	elapid (noun)
highly venomous snake of southern Africa able to spit venom up to seven feet	any of numerous venomous fanged snakes of warmer parts of both hemispheres