skelp vs slap

skelp

verb
  • To beat or slap. 

  • To move briskly along. 

  • To form (a plate or bar of metal, etc.) into a skelp. 

  • To bend round (a skelp) in tube-making. 

noun
  • A narrow strip of rolled or forged metal, ready to be bent and welded to form a pipe. 

  • A blow; a smart stroke. 

  • A large portion. 

  • A squall; a heavy fall of rain. 

slap

verb
  • To give a slap to. 

  • To impose a penalty, etc. on (someone). 

  • To play slap bass on (an instrument). 

  • To be excellent. 

  • To cause something to strike soundly. 

  • To strike soundly against something. 

  • To place, to put carelessly. 

adv
  • Exactly, precisely 

noun
  • The percussive sound produced in slap bass playing. 

  • An eye-catching sticker used in street art. 

  • Makeup; cosmetics. 

  • A blow, especially one given with the open hand, or with something broad and flat. 

  • A sharp percussive sound like that produced by such a blow. 

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