dyspneic vs smothering

dyspneic and smothering both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dyspneic	No	Yes	No	No
smothering	No	Yes	No	No

dyspneic (adjective)	smothering (adjective)
not breathing or able to breathe except with difficulty	causing difficulty in breathing especially through lack of fresh air and presence of heat