unexpected vs vanilla

unexpected

adj
  • Not expected, anticipated or foreseen. 

noun
  • Someone or something unexpected. 

vanilla

adj
  • Plain; conventional; unimaginative. 

  • Standard, plain, default, unmodified, basic. 

  • Not kinky, not involving BDSM. 

  • Of vanilla. 

noun
  • The extract of the fruit of the vanilla plant. 

  • The distinctive fragrant flavour/flavor characteristic of vanilla extract. 

  • Any tropical, climbing orchid of the genus Vanilla (especially Vanilla planifolia), bearing podlike fruit yielding an extract used in flavoring food or in perfumes. 

  • Someone who is not into fetishism. 

  • The fruit or bean of the vanilla plant. 

  • A yellowish-white colour, like that of vanilla ice cream. 

  • An unmodded version of a game. 

  • Any artificially produced homologue of vanilla extract, principally vanillin produced from lignin from the paper industry or from petrochemicals. 

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