bovid vs ruminant

bovid and ruminant both are nouns.

Word	Noun	Adjective	Verb	Adverb
bovid	Yes	Yes	No	No
ruminant	Yes	Yes	No	No

As nouns, ruminant is a hypernym of bovid; that is, ruminant is a word with a broader meaning than bovid:

bovid: hollow-horned ruminants
ruminant: any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments

bovid (noun)	ruminant (noun)
hollow-horned ruminants	any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments

bovid (adjective)	ruminant (adjective)
of or relating to or belonging to the genus Bos (cattle)	related to or characteristic of animals of the suborder Ruminantia or any other animal that chews a cud