semi vs shack

semi

noun
  • A semi-detached house. 

  • A semifinal. 

  • A semi-trailer; a tractor-trailer; an eighteen-wheeler; an artic. 

  • A partial erection of the penis. 

shack

noun
  • A crude, roughly built hut or cabin. 

  • Any poorly constructed or poorly furnished building. 

  • Bait that can be picked up at sea. 

  • A drink, especially an alcoholic one. 

  • The room from which a ham radio operator transmits. 

verb
  • To live (in or with); to shack up. 

  • To wander as a vagabond or tramp. 

  • To drink, especially alcohol. 

  • To hibernate; to go into winter quarters. 

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