achievable vs adscititious

achievable

adj
  • Not linked to fate or outside influences. 

  • Capable of being achieved, which either means possible or probable. 

adscititious

adj
  • Derived or acquired from something extrinsic; not part of the real, inherent, or essential nature of a thing. 

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