favourite vs satisfactory

favourite

noun
  • A person who is preferred or trusted above all others. 

  • A short curl dangling over the temples, fashionable in the reign of Charles II. 

  • A contestant or competitor thought most likely to win. 

  • A bookmark in a web browser. 

  • A person or thing who enjoys special regard or favour. 

adj
  • Preferred or liked above all others (unless qualified). 

  • Belonging to a category whose members are all preferred or liked over nonmembers. 

verb
  • To favour. 

  • To bookmark. 

  • To add to one's list of favourite items on a website that allows users to compile such lists. 

satisfactory

noun
  • Somebody or something that meets requirements without exceeding them. 

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

adj
  • Causing satisfaction; agreeable or pleasant; satisfying. 

  • Done to satisfaction; adequate or sufficient. 

  • Making atonement for a sin; expiatory. 

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