hip-hop vs swat

hip-hop

verb
  • To move by hopping or with a hopping motion. 

  • To perform hip-hop music. 

noun
  • An Afro-American urban youth culture based on rap music, breakdancing etc. 

  • A form of popular and dance music featuring strong percussion and a powerful rhythm, usually accompanied by rapping. 

swat

verb
  • To beat off, as insects; to bat, strike, or hit. 

  • To illegitimately provoke a SWAT assault upon (someone). 

noun
  • Alternate spelling of swot: vigorous study at an educational institution. 

  • A hard stroke, hit or blow, e.g., as part of a spanking. 

How often have the words hip-hop and swat occurred in a corpus of books? (source: Google Ngram Viewer )