tormenter vs tormentor

tormenter and tormentor both are nouns.

Word	Noun	Adjective	Verb	Adverb
tormenter	Yes	No	No	No
tormentor	Yes	No	No	No

As nouns, tormenter and tormentor are synonyms defined as:

tormenter and tormentor: a flat at each side of the stage to prevent the audience from seeing into the wings

Other synonyms of tormenter include teaser.

As nouns, tormenter and tormentor are synonyms defined as:

Other synonyms of tormenter include persecutor.

tormenter (noun)	tormentor (noun)
a flat at each side of the stage to prevent the audience from seeing into the wings	a flat at each side of the stage to prevent the audience from seeing into the wings
someone who torments	someone who torments