afferent vs lingual

afferent

noun

  • An afferent structure or connection 

adj

  • Carrying towards. 

lingual

noun

  • A sound articulated with the tongue. 

adj

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

  • Articulated with the tongue. 

  • Related to language or linguistics. 

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