amorphous vs imprimitive

amorphous

adj
  • Lacking a definite form or clear shape. 

  • Being without definite character or nature. 

  • In the non-crystalline solid state of a typically crystalline solid. 

  • Lacking organization or unity. 

  • Infinite and not the disjoint union of two infinite subsets. 

imprimitive

adj
  • not primitive 

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