full-scale vs halfhearted

full-scale

adj
  • Thorough; complete; not lacking in any detail. 

  • Of the same size, scale, or proportions as an original object. 

halfhearted

adj
  • Lacking full energy, effort, commitment, or resolve. 

How often have the words full-scale and halfhearted occurred in a corpus of books? (source: Google Ngram Viewer )