mentum vs respond

mentum

noun
  • The chin. 

  • The central part of the labium in insects. 

  • A chin-like projection below the mouth of certain mollusks. 

  • A projection in front of the flower in some orchids. 

respond

noun
  • A response. 

  • A half-pillar, pilaster, or any corresponding device engaged in a wall to receive the impost of an arch. 

  • A versicle or short anthem chanted at intervals during the reading of a lection. 

verb
  • To act in return; to carry out an action or in return to a force or stimulus; to do something in response. 

  • To say something in return; to answer; to reply. 

  • To satisfy; to answer. 

  • To correspond with; to suit. 

  • To be liable for payment. 

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