crow-bait vs riding horse

crow-bait and riding horse both are nouns.

Word	Noun	Adjective	Verb	Adverb
crow-bait	Yes	No	No	No
riding horse	Yes	No	No	No

As nouns, riding horse is a hypernym of crow-bait; that is, riding horse is a word with a broader meaning than crow-bait:

crow-bait: an emaciated horse likely soon to become carrion and so attractive to crows
riding horse: a lightweight horse kept for riding only

Other hypernyms of crow-bait include mount, saddle horse.

crow-bait (noun)	riding horse (noun)
an emaciated horse likely soon to become carrion and so attractive to crows	a lightweight horse kept for riding only