hostler vs stableboy

hostler and stableboy both are nouns.

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

As nouns, hostler and stableboy are synonyms defined as:

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

Other synonyms of hostler include groom, ostler, stableman.

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