picnic vs vacation

picnic

noun
  • An easy or pleasant task. 

  • An informal social gathering, usually in a natural outdoor setting, to which the participants bring their own food and drink. 

  • The meal eaten at such a gathering. 

  • A cut of pork from the shoulder area (above the front leg) of a pig. 

verb
  • To take part in a picnic. 

vacation

noun
  • A holiday; a stretch of leisure time away from work or duty and devoted to rest or pleasure. 

  • A period during which official activity or business is formally suspended; an official holiday from university, law courts etc. 

  • Freedom from some business or activity. 

  • The act of vacating something; moving out. 

  • An extended period of time away from work or school. 

  • The act of making legally void. 

verb
  • To spend or take a vacation. 

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