asthma vs bronchial asthma

asthma and bronchial asthma both are nouns.

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

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

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

Other synonyms of asthma include asthma attack.

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