Hindu deity vs Ribhus

Hindu deity and Ribhus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hindu deity	Yes	No	No	No
Ribhus	Yes	No	No	No

As nouns, Ribhus is a hyponym of Hindu deity; that is, Ribhus is a word with a more specific, narrower meaning than Hindu deity:

Other hyponyms of Hindu deity include Aditya, Ahura, Asvins, Dharma, Garuda, Marut, Rhibhus, Soma, Vajra, avatar.

Hindu deity (noun)	Ribhus (noun)
a deity worshipped by the Hindus	one of three artisans of the Hindu gods