palomino vs Equus caballus

palomino and Equus caballus both are nouns.

Word	Noun	Adjective	Verb	Adverb
palomino	Yes	No	No	No
Equus caballus	Yes	No	No	No

As nouns, Equus caballus is a hypernym of palomino; that is, Equus caballus is a word with a broader meaning than palomino:

palomino: a horse of light tan or golden color with cream-colored or white mane and tail
Equus caballus: solid-hoofed herbivorous quadruped domesticated since prehistoric times

Other hypernyms of palomino include horse.

palomino (noun)	Equus caballus (noun)
a horse of light tan or golden color with cream-colored or white mane and tail	solid-hoofed herbivorous quadruped domesticated since prehistoric times