asthma attack vs bronchial asthma

asthma attack and bronchial asthma both are nouns.

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

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

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

Other synonyms of asthma attack include asthma.

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