conoid vs pyramidic

conoid

adj
  • Shaped like a cone; conical. 

noun
  • Anything shaped like a cone 

  • A Catalan surface all of whose rulings intersect some fixed line 

  • A solid formed by the revolution of a conic section about its axis 

  • The pineal gland 

pyramidic

adj
  • Of or pertaining to a pyramid; having the form or imposing presence of a pyramid; pyramidal. 

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