strangle vs asphyxiate

strangle and asphyxiate both are verbs.

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

As verbs, asphyxiate is a hypernym of strangle; that is, asphyxiate is a word with a broader meaning than strangle:

Other hypernyms of strangle include stifle, suffocate.

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