labial vs literal

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. 

literal

adj
  • Consisting of, or expressed by, letters (of an alphabet) 

  • Following the letter or exact words; not free; not taking liberties 

  • (broadly) That which generally assumes that the plainest reading of a given scripture is correct but which allows for metaphor where context indicates it; (specifically) following the historical-grammatical method of biblical interpretation 

  • Used non-literally as an intensifier; see literally for usage notes. 

  • Exactly as stated; read or understood without additional interpretation; according to the letter or verbal expression; real; not figurative or metaphorical, and etymonic rather than idiomatic. 

  • Unimaginative; matter-of-fact 

noun
  • A misprint (or occasionally a scribal error) that affects a letter. 

  • A value, as opposed to an identifier, written into the source code of a computer program. 

  • A propositional variable or the negation of a propositional variable. ᵂᵖ 

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