anxiolytic vs calmative

anxiolytic

noun
  • A drug prescribed for the treatment of symptoms of anxiety. 

adj
  • That reduces anxiety; tranquilizing 

calmative

noun
  • A drug with calming effects. 

adj
  • Calming. 

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