swan vs swear

swan

verb
  • To travel or move about in an aimless, idle, or pretentiously casual way. 

  • To declare (chiefly in first-person present constructions). 

noun
  • One whose grace etc. suggests a swan. 

  • This bird used as a heraldic charge, sometimes with a crown around its neck (e. g. the arms of Buckinghamshire). 

  • Any of various species of large, long-necked waterfowl, of genus Cygnus (bird family: Anatidae), most of which have white plumage. 

swear

verb
  • To be lazy; rest for a short while during working hours. 

  • To promise intensely that something is true; to strongly assert. 

  • To take an oath that an assertion is true. 

  • To use offensive, profane, or obscene language. 

  • To administer an oath to (a person). 

  • To take an oath, to promise intensely, solemnly, and/or with legally binding effect. 

noun
  • A swear word. 

  • A lazy time; a short rest during working hours (especially field labour); a siesta. 

adj
  • Dull; lazy; slow. 

  • Top-heavy; too high. 

  • Reluctant; unwilling. 

  • Heavy. 

  • Niggardly. 

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