in circulation vs prevailing

in circulation

prep
  • Percolating between people or places. 

  • Freely available; not restricted in access; in general use. 

  • Seen in public. 

prevailing

adj
  • Predominant; of greatest force. 

  • Prevalent, common, widespread. 

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