carry out vs cross the line

carry out

verb
  • To fulfill. 

  • To execute or perform; to put into operation; to do. 

  • To hold while moving it out. 

cross the line

verb
  • To achieve completion of something. 

  • To finish a race. 

  • To overstep a boundary, rule, or limit; to go too far or do something unacceptable. 

  • To cross the equator, as a vessel at sea. 

  • To film from the opposite side of an imaginary axis on set in order to view the actors from the opposite direction. 

How often have the words carry out and cross the line occurred in a corpus of books? (source: Google Ngram Viewer )