formative vs shapable

formative

adj
  • Capable of forming something. 

  • Pertaining to the inflection of words. 

  • Denoting forms of assessment used to guide learning rather than to quantify educational outcomes. 

  • Of or pertaining to the formation and subsequent growth of something. 

  • Capable of producing new tissue. 

noun
  • A language unit that has morphological function. 

shapable

adj
  • Capable of being shaped. 

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