hostler vs stableman

hostler and stableman both are nouns.

Word	Noun	Adjective	Verb	Adverb
hostler	Yes	No	No	No
stableman	Yes	No	No	No

As nouns, hostler and stableman are synonyms defined as:

hostler and stableman: someone employed in a stable to take care of the horses

Other synonyms of hostler include groom, ostler, stableboy.

hostler (noun)	stableman (noun)
someone employed in a stable to take care of the horses	someone employed in a stable to take care of the horses