dalmatian vs coach dog

dalmatian and coach dog both are nouns.

Word	Noun	Adjective	Verb	Adverb
dalmatian	Yes	No	No	No
coach dog	Yes	No	No	No

As nouns, dalmatian and coach dog are synonyms defined as:

dalmatian and coach dog: a large breed having a smooth white coat with black or brown spots; originated in Dalmatia

Other synonyms of dalmatian include carriage dog.

dalmatian (noun)	coach dog (noun)
a large breed having a smooth white coat with black or brown spots; originated in Dalmatia	a large breed having a smooth white coat with black or brown spots; originated in Dalmatia