abortive vs on a treadmill

abortive

adj
  • Made from the skin of a still-born animal. 

  • Imperfectly formed or developed; rudimentary; sterile. 

  • Coming to nothing; failing in its effect. . 

  • Causing abortion; abortifacient 

  • Cutting short; acting to halt or slow the progress (of a disease). 

on a treadmill

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