cross the line vs overdo

cross the line

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

  • To achieve completion of something. 

  • To finish a race. 

  • 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. 

overdo

verb
  • To do too much; to exceed what is proper or true in doing; to carry too far. 

  • To cook for too long. 

  • To give (someone or something) too much work; to require too much effort or strength of (someone); to use up too much of (something). 

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