boff vs lam

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. 

lam

verb
  • To beat or thrash. 

noun
  • flight, escape 

  • The twenty-third letter of the Arabic alphabet, ل (l). It is preceded by ك (k) and followed by م (m). 

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