jailor vs gaoler

jailor and gaoler both are nouns.

Word	Noun	Adjective	Verb	Adverb
jailor	Yes	No	No	No
gaoler	Yes	No	No	No

As nouns, jailor and gaoler are synonyms defined as:

Other synonyms of jailor include jailer, prison guard, screw, turnkey.

jailor (noun)	gaoler (noun)
someone who guards prisoners	someone who guards prisoners