dampening vs dissuasive

dampening

noun
  • The act of making or becoming damp. 

dissuasive

noun
  • That which dissuades; a disincentive. 

adj
  • Tending to dissuade, or divert from a measure or purpose; dehortatory. 

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