satisfactory vs tranquilizing

satisfactory

adj
  • Causing satisfaction; agreeable or pleasant; satisfying. 

  • Done to satisfaction; adequate or sufficient. 

  • Making atonement for a sin; expiatory. 

noun
  • The rating given to somebody or something that meets requirements without exceeding them. 

  • Somebody or something that meets requirements without exceeding them. 

tranquilizing

adj
  • Having the effect of making someone or something tranquil; calming, soothing. 

  • Of a drug: having the effect of calming a person or animal, or putting them to sleep; sedating, sedative. 

noun
  • The act of calming a person or animal, or putting them to sleep, using a drug. 

  • The act of making someone or something tranquil. 

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