gustatory vs lingual

gustatory

adj
  • Of, or relating to, the sense of taste. 

lingual

adj
  • Related to, near, or on the side toward the tongue. 

  • Articulated with the tongue. 

  • Related to language or linguistics. 

noun
  • A sound articulated with the tongue. 

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