cordial vs tonal

cordial

adj
  • Hearty; sincere; warm; affectionate. 

  • Tending to revive, cheer, or invigorate; giving strength or spirits. 

  • Radiating warmth and friendliness; genial. 

noun
  • A liqueur prepared using the infusion process. 

  • A pleasant-tasting medicine. 

  • A candy (or bonbon) usually made of milk chocolate, filled with small fruits (often maraschino cherries) and syrup or fondant. 

  • Anything that revives or comforts, a stimulant. 

  • A concentrated non-carbonated soft drink which is diluted with water before drinking. 

  • An individual serving of such a diluted drink. 

tonal

adj
  • Of or relating to the general character, mood, or trend of something. 

  • Employing differences in pitch (tones) to distinguish differences in the meaning of otherwise similar words (words which would otherwise be homophonic). 

  • Of or relating to tones or tonality. 

  • Employing tones that have a predictable relationship to some tonic. 

noun
  • An animal companion which accompanies a person from birth to death. 

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