bicuspid vs bicuspidate

bicuspid

adj
  • Having two points or prominences; ending in two points; said of teeth, leaves, fruit, etc. 

noun
  • A tooth with two cusps; a premolar tooth. 

bicuspidate

adj
  • Having two points or prominences (as teeth, leaves, fruit, etc.); bicuspid. 

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