devote vs plow back into

devote

verb
  • to give one's time, focus one's efforts, commit oneself, etc. entirely for, on, or to a certain matter 

  • to execrate; to curse 

  • to consign over; to doom 

plow back into

How often have the words devote and plow back into occurred in a corpus of books? (source: Google Ngram Viewer )