stifle vs strangle

stifle is a noun but strangle is not a noun.

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

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

As verbs, stifle and strangle are synonyms defined as:

Other synonyms of stifle include muffle, repress, smother.

stifle (noun)	strangle (noun)
joint between the femur and tibia in a quadruped; corresponds to the human knee

stifle (verb)	strangle (verb)
suppress or constrain so as to lessen in intensity	constrict (someone's) throat and keep from breathing
be asphyxiated; die from lack of oxygen	struggle for breath; have insufficient oxygen intake
suppress in order to conceal or hide	prevent the progress or free movement of
impair the respiration of or obstruct the air passage of	die from strangulation
	kill by squeezing the throat of so as to cut off the air
	suppress in order to conceal or hide