dull vs vanilla

dull

adj
  • Insensible; unfeeling. 

  • Not bright or intelligent; stupid; having slow understanding. 

  • Not intense; felt indistinctly or only slightly. 

  • Sluggish, listless. 

  • Boring; not exciting or interesting. 

  • Not shiny; having a matte finish or no particular luster or brightness. 

  • Lacking the ability to cut easily; not sharp. 

  • Cloudy, overcast. 

  • Heavy; lifeless; inert. 

  • Not clear, muffled. 

verb
  • To render dull; to remove or blunt an edge or something that was sharp. 

  • To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy. 

  • To lose a sharp edge; to become dull. 

  • To render dim or obscure; to sully; to tarnish. 

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 dull and vanilla occurred in a corpus of books? (source: Google Ngram Viewer )