asphyxiate vs strangle

asphyxiate and strangle both are verbs.

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

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

asphyxiate (verb)	strangle (verb)
be asphyxiated; die from lack of oxygen	constrict (someone's) throat and keep from breathing
deprive of oxygen and prevent from breathing	struggle for breath; have insufficient oxygen intake
impair the respiration of or obstruct the air passage of	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