bronchial asthma vs asthma attack

bronchial asthma and asthma attack both are nouns.

Word	Noun	Adjective	Verb	Adverb
bronchial asthma	Yes	No	No	No
asthma attack	Yes	No	No	No

As nouns, bronchial asthma and asthma attack are synonyms defined as:

bronchial asthma and asthma attack: respiratory disorder characterized by wheezing; usually of allergic origin

Other synonyms of bronchial asthma include asthma.

bronchial asthma (noun)	asthma attack (noun)
respiratory disorder characterized by wheezing; usually of allergic origin	respiratory disorder characterized by wheezing; usually of allergic origin