labial vs verbal

labial

adj
  • Articulated by the lips, as the consonants b, m and w. 

  • Furnished with lips. 

  • Of or pertaining to the lips or labia. 

  • On the side facing the lips. See mesial. 

noun
  • A consonant articulated by the lips. 

  • An organ pipe having a lip that influences its sound. 

  • Any of the scales bordering the mouth opening of a reptile. 

verbal

adj
  • Expressly spoken rather than written; oral. 

  • Concerned with the words, rather than the substance of a text. 

  • Of or relating to words. 

  • Capable of speech. 

  • Used to form a verb. 

  • Word for word. 

  • Derived from, or having the nature of a verb. 

  • Consisting of words only. 

verb
  • To induce into fabricating a confession. 

noun
  • A verb form which does not function as a predicate, or a word derived from a verb. In English, infinitives, participles and gerunds are verbals. 

  • Talk; speech, especially banter or scolding. 

  • A spoken confession given to police. 

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