asthma vs asthmatic

asthma

noun
  • A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, shortness of breath, chest tightness, and coughing. 

asthmatic

noun
  • A person who suffers from asthma. 

adj
  • Having the characteristics of asthma, as in an "asthmatic cough". 

How often have the words asthma and asthmatic occurred in a corpus of books? (source: Google Ngram Viewer )