skiver vs sponger

skiver

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

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

  • 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. 

verb
  • To skewer, impale. 

sponger

noun
  • A device for sponging cloth by means of a perforated adjustable cylinder. 

  • One who uses a sponge. 

  • A parasitic hanger-on. 

  • A person or vessel employed in gathering sponges from the sea. 

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