asphyxia vs asphyxiate

asphyxia is a noun but asphyxiate is not a noun.

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

asphyxia (noun)	asphyxiate (noun)
a condition in which insufficient or no oxygen and carbon dioxide are exchanged on a ventilatory basis; caused by choking or drowning or electric shock or poison gas

asphyxia (verb)	asphyxiate (verb)
	be asphyxiated; die from lack of oxygen
	deprive of oxygen and prevent from breathing
	impair the respiration of or obstruct the air passage of