hinny vs equine

hinny and equine both are nouns.

Word	Noun	Adjective	Verb	Adverb
hinny	Yes	No	No	No
equine	Yes	Yes	No	No

As nouns, equine is a hypernym of hinny; that is, equine is a word with a broader meaning than hinny:

hinny: hybrid offspring of a male horse and a female donkey or ass; usually sterile
equine: hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck

Other hypernyms of hinny include equid.

hinny (noun)	equine (noun)
hybrid offspring of a male horse and a female donkey or ass; usually sterile	hoofed mammals having slender legs and a flat coat with a narrow mane along the back of the neck

hinny (adjective)	equine (adjective)
	resembling a horse
	of or belonging to the family Equidae