strangle vs strangler

strangle is not a noun while strangler is a noun.

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

strangle (noun)	strangler (noun)
	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

strangle (verb)	strangler (verb)
constrict (someone's) throat and keep from breathing
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