suffocative vs smothering

suffocative and smothering both are adjectives.

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

As adjectives, suffocative and smothering are synonyms defined as:

suffocative and smothering: causing difficulty in breathing especially through lack of fresh air and presence of heat

Other synonyms of suffocative include choking, suffocating.

suffocative (adjective)	smothering (adjective)
causing difficulty in breathing especially through lack of fresh air and presence of heat	causing difficulty in breathing especially through lack of fresh air and presence of heat