asthmatic vs doer

asthmatic and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
asthmatic	Yes	Yes	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of asthmatic; that is, doer is a word with a broader meaning than asthmatic:

Other hypernyms of asthmatic include actor, worker.

asthmatic (noun)	doer (noun)
a person suffering from asthma	a person who acts and gets things done

asthmatic (adjective)	doer (adjective)
relating to breathing with a whistling sound