smuggle vs take cover

smuggle

verb
  • To thrash or be thrashed by a bear's claws, or to swipe at or be swiped at by a person's arms in a bearlike manner. 

  • To bring in surreptitiously 

  • To import or export, illicitly or by stealth, without paying lawful customs charges or duties 

take cover

verb
  • To shelter oneself 

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