take care vs thrash

take care

verb
  • To be cautious, careful or prudent. 

  • To mind, or be in charge of something. 

intj
  • good-bye (literally, take care of yourself) 

thrash

noun
  • A beat or blow; the sound of beating. 

  • thrash metal 

verb
  • To defeat utterly. 

  • To extensively test a software system, giving a program various inputs and observing the behavior and outputs that result. 

  • In computer architecture, to cause or undergo poor performance of a virtual memory (or paging) system. 

  • To move about wildly or violently; to flail; to labour. 

  • To beat mercilessly. 

  • To thresh. 

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