choosable vs satisfactory

choosable

noun
  • Something that may be chosen; an option or alternative. 

  • chosen one 

adj
  • Able to be chosen or selected. 

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 choosable and satisfactory occurred in a corpus of books? (source: Google Ngram Viewer )