biff vs shelter

biff

verb
  • To wipe out; to faceplant; to fall. 

  • To discard; to throw out; to throw away. 

  • To punch or hit. 

noun
  • A sudden, sharp blow or punch. 

  • A wipeout. 

intj
  • The sound of a person being punched or hit. 

shelter

verb
  • To take cover. 

  • To provide cover from damage or harassment; to shield; to protect. 

noun
  • A refuge, haven or other cover or protection from something. 

  • An institution that provides temporary housing for homeless people, battered women, etc. 

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