garroter vs garrotter

garroter and garrotter both are nouns.

Word	Noun	Adjective	Verb	Adverb
garroter	Yes	No	No	No
garrotter	Yes	No	No	No

As nouns, garroter and garrotter are synonyms defined as:

Other synonyms of garroter include choker, strangler, throttler.

garroter (noun)	garrotter (noun)
someone who kills by strangling	someone who kills by strangling