Chinese deity vs immortal

Chinese deity and immortal both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chinese deity	Yes	No	No	No
immortal	Yes	Yes	No	No

As nouns, immortal is a hypernym of Chinese deity; that is, immortal is a word with a broader meaning than Chinese deity:

Chinese deity: a deity worshipped by the ancient Chinese
immortal: any supernatural being worshipped as controlling some part of the world or some aspect of life or who is the personification of a force

Other hypernyms of Chinese deity include deity, divinity, god.

Chinese deity (noun)	immortal (noun)
a deity worshipped by the ancient Chinese	any supernatural being worshipped as controlling some part of the world or some aspect of life or who is the personification of a force
	a person (such as an author) of enduring fame

Chinese deity (adjective)	immortal (adjective)
	not subject to death