boff vs welt

boff

verb
  • To hit; to strike. 

  • to have sexual intercourse (with someone) 

noun
  • A great success; a hit. 

  • A pupil who works hard; a swot. 

  • A line in a film etc that elicits such a laugh. 

  • A big laugh. 

  • A hit or smack. 

welt

verb
  • To cause to have welts; to beat. 

  • To install welt (a welt or welts) to reinforce. 

noun
  • A strip of leather set into the seam between the outsole of a shoe and the upper, through which these parts are joined by stitching or stapling. 

  • A ridge or lump on the skin, as caused by a blow. 

  • In steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint. 

  • In carpentry, a strip of wood fastened over a flush seam or joint, or an angle, to strengthen it. 

  • In machine-made stockings, a strip, or flap, of which the heel is formed. 

  • A narrow border, as of an ordinary, but not extending around the ends. 

  • A feature resembling a welt. 

  • A strip of material or covered cord applied to a seam or garment edge to strengthen or cover it. 

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