cavillous vs commendatory

cavillous

adj
  • Characterized by caviling, or disposed to cavil; quibbling. 

commendatory

adj
  • Serving to commend or compliment; complimentary. 

  • Holding a benefice in commendam. 

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