conk vs suffocate

conk is a noun but suffocate is not a noun.

Word	Noun	Adjective	Verb	Adverb
conk	Yes	No	Yes	No
suffocate	No	No	Yes	No

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

conk: pass from physical life and lose all bodily attributes and functions necessary to sustain life
suffocate: be asphyxiated; die from lack of oxygen

Other hyponyms of conk include abort, asphyxiate, stifle, buy it, pip out, drown, predecease, famish, starve, fall, succumb, yield.

conk (noun)	suffocate (noun)
informal term for the nose

conk (verb)	suffocate (verb)
pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain	struggle for breath; have insufficient oxygen intake
pass from physical life and lose all bodily attributes and functions necessary to sustain life	feel uncomfortable for lack of fresh air
hit, especially on the head	be asphyxiated; die from lack of oxygen
come to a stop	suppress the development, creativity, or imagination of
	become stultified, suppressed, or stifled
	deprive of oxygen and prevent from breathing
	impair the respiration of or obstruct the air passage of