strangle vs garrote

strangle is not a noun while garrote is a noun.

Word	Noun	Adjective	Verb	Adverb
strangle	No	No	Yes	No
garrote	Yes	No	Yes	No

As verbs, garrote is a hyponym of strangle; that is, garrote is a word with a more specific, narrower meaning than strangle:

Other hyponyms of strangle include garotte, garrotte, scrag.

strangle (noun)	garrote (noun)
	an instrument of execution for execution by strangulation

strangle (verb)	garrote (verb)
constrict (someone's) throat and keep from breathing	strangle with an iron collar
struggle for breath; have insufficient oxygen intake
prevent the progress or free movement of
die from strangulation
kill by squeezing the throat of so as to cut off the air
suppress in order to conceal or hide