horse blanket vs saddle blanket

horse blanket and saddle blanket both are nouns.

Word	Noun	Adjective	Verb	Adverb
horse blanket	Yes	No	No	No
saddle blanket	Yes	No	No	No

As nouns, horse blanket and saddle blanket are synonyms defined as:

horse blanket and saddle blanket: stable gear consisting of a blanket placed under the saddle

Other synonyms of horse blanket include saddlecloth.

horse blanket (noun)	saddle blanket (noun)
stable gear consisting of a blanket placed under the saddle	stable gear consisting of a blanket placed under the saddle