inconsistent vs of a piece

inconsistent

adj
  • Lacking internal consistency; self-contradicting; not compatible with itself. 

  • Not consistent or coherent in thought or behavior. 

  • Having the property that a contradiction can be derived. 

  • Not compatible (with another thing); incompatible, discrepant, at odds. 

of a piece

prep
  • Used other than figuratively or idiomatically: see of, a, piece. 

  • Of the same kind. 

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