labial vs labiate

labial

adj
  • Furnished with lips. 

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

  • 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. 

labiate

adj
  • Having lips or liplike parts. 

  • of, or belonging to the mint family (Labiatae, now Lamiaceae). 

  • Having the corolla divided into two liplike parts. 

verb
  • To labialize. 

noun
  • A plant of the mint family (Labiatae) 

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