in other words vs to put it another way

in other words

adv
  • used to introduce an explanation, simplification, or clarification 

prep
  • Stated or interpreted another way; Used to introduce an explanation, simplification, or clarification. 

to put it another way

adv
  • in other words 

How often have the words in other words and to put it another way occurred in a corpus of books? (source: Google Ngram Viewer )