completeness vs decisiveness

completeness

noun
  • The state or condition of being complete. 

  • The property of a logical theory that whenever a wff is valid then it must also be a theorem. Symbolically, letting T represent a theory within logic L, this can be represented as the property that whenever T vDash 𝜙 is true, then T⊢𝜙 must also be true, for any wff φ of logic L. 

decisiveness

noun
  • The state or quality of being decisive. 

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