perplexity vs pickle

perplexity

noun
  • The state or quality of being perplexed; puzzled or confused. 

  • Something that perplexes. 

  • In information theory, a measurement of how well a probability distribution or model predicts a sample. 

pickle

noun
  • A difficult situation; peril. 

  • A sweet, vinegary pickled chutney popular in Britain. 

  • A mildly mischievous loved one. 

  • A penis. 

  • A bath of dilute sulphuric or nitric acid, etc., to remove burnt sand, scale, rust, etc., from the surface of castings, or other articles of metal, or to brighten them or improve their colour. 

  • In an optical landing system, the hand-held controller connected to the lens, or apparatus on which the lights are mounted. 

  • Any vegetable preserved in vinegar and consumed as relish. 

  • A children’s game with three participants that emulates a baseball rundown 

  • A kernel; a grain (of salt, sugar, etc.) 

  • A pipe for smoking methamphetamine. 

  • The brine used for preserving food. 

  • A small or indefinite quantity or amount (of something); a little, a bit, a few. Usually in partitive construction, frequently without "of"; a single grain or kernel of wheat, barley, oats, sand or dust. 

  • A rundown. 

  • A cucumber preserved in a solution, usually a brine or a vinegar syrup. 

verb
  • To preserve food (or sometimes other things) in a salt, sugar or vinegar solution. 

  • To eat sparingly. 

  • To pilfer. 

  • To remove high-temperature scale and oxidation from metal with heated (often sulphuric) industrial acid. 

  • To pour brine over a person after flogging them, as a method of punishment. 

  • To serialize. 

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