garroter vs strangler

garroter and strangler both are nouns.

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

As nouns, garroter and strangler are synonyms defined as:

Other synonyms of garroter include choker, garrotter, throttler.

garroter (noun)	strangler (noun)
someone who kills by strangling	someone who kills by strangling
	an epiphytic vine or tree whose aerial roots extend down the trunk of a supporting tree and coalesce around it eventually strangling the tree