skiver vs swot

skiver

verb
  • To skewer, impale. 

noun
  • A truant; one who is absent without permission, especially from school. 

  • The cutting tool or machine used in splitting leather or skins. 

  • One who uses a skive (or skives). 

  • An inferior quality of leather, made of split sheepskin, tanned by immersion in sumac, and dyed, formerly used for hat linings, pocketbooks, bookbinding, etc. 

  • A slacker. 

  • A skewer. 

swot

verb
  • To study with effort or determination (object of study indicated by "up on"). 

noun
  • Work. 

  • By extension, analogous to boffin, nerd, smart aleck. Often pejorative. 

  • One who swots. 

  • Vigorous study at an educational institution. 

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