jailor vs prison guard

jailor and prison guard both are nouns.

Word	Noun	Adjective	Verb	Adverb
jailor	Yes	No	No	No
prison guard	Yes	No	No	No

As nouns, jailor and prison guard are synonyms defined as:

Other synonyms of jailor include gaoler, jailer, screw, turnkey.

jailor (noun)	prison guard (noun)
someone who guards prisoners	someone who guards prisoners