iron collar vs garotte

iron collar and garotte both are nouns.

Word	Noun	Adjective	Verb	Adverb
iron collar	Yes	No	No	No
garotte	Yes	No	Yes	No

As nouns, iron collar and garotte are synonyms defined as:

iron collar and garotte: an instrument of execution for execution by strangulation

Other synonyms of iron collar include garrote, garrotte.

iron collar (noun)	garotte (noun)
an instrument of execution for execution by strangulation	an instrument of execution for execution by strangulation

iron collar (verb)	garotte (verb)
	strangle with an iron collar