sic vs undertake

sic

verb
  • To set upon; to chase; to attack. 

  • To incite an attack by, especially a dog or dogs. 

  • To mark with a bracketed sic. 

adv
  • Thus; thus written; used to indicate, for example, that text is being quoted as it is from the source. 

undertake

verb
  • To take upon oneself; to start, to embark on (a specific task etc.). 

  • To commit oneself (to an obligation, activity etc.). 

  • To pass a slower moving vehicle on the curbside rather than on the side closest to oncoming traffic. 

noun
  • The passing of slower traffic on the curbside rather than on the side closest to oncoming traffic. 

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