onset vs raid

onset

noun
  • The initial portion of a syllable, preceding the syllable nucleus. 

  • The beginning of a musical note or other sound, in which the amplitude rises from zero to an initial peak. 

  • The initial phase of a disease or condition, in which symptoms first become apparent. 

  • A setting about; a beginning. 

raid

noun
  • A quick hostile or predatory incursion or invasion in a battle. 

  • An activity initiated at or towards the end of a live broadcast by the broadcaster that sends its viewers to a different broadcast, primarily intended to boost the viewership of the receiving broadcaster. This is frequently accompanied by a message in the form of a hashtag that is posted in the broadcast's chat by the viewers. 

  • An attack or invasion for the purpose of making arrests, seizing property, or plundering. 

  • A large group in a massively multiplayer online game, consisting of multiple parties who team up to defeat a powerful enemy. 

  • An attacking movement. 

verb
  • To engage in a raid against. 

  • To lure from another; to entice away from. 

  • To indulge oneself by taking from. 

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