Equus vs horse

Equus and horse both are nouns.

Word	Noun	Adjective	Verb	Adverb
Equus	Yes	No	No	No
horse	Yes	No	Yes	No

Equus (noun)	horse (noun)
type genus of the Equidae: only surviving genus of the family Equidae	solid-hoofed herbivorous quadruped domesticated since prehistoric times
	a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa)
	a framework for holding wood that is being sawed
	a padded gymnastic apparatus on legs
	troops trained to fight on horseback

Equus (verb)	horse (verb)
	provide with a horse or horses