throttling vs suffocation

throttling and suffocation both are nouns.

Word	Noun	Adjective	Verb	Adverb
throttling	Yes	No	No	No
suffocation	Yes	No	No	No

As nouns, suffocation is a hypernym of throttling; that is, suffocation is a word with a broader meaning than throttling:

Other hypernyms of throttling include asphyxiation.

throttling (noun)	suffocation (noun)
the act of suffocating (someone) by constricting the windpipe	killing by depriving of oxygen
	the condition of being deprived of oxygen (as by having breathing stopped)