lingual vs morphological

lingual

adj
  • Related to language or linguistics. 

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

  • Articulated with the tongue. 

noun
  • A sound articulated with the tongue. 

morphological

adj
  • Of, or pertaining to, morphology. 

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