in other words vs such as

in other words

prep

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

adv

  • used to introduce an explanation, simplification, or clarification 

such as

prep

  • Like, of the kind mentioned. 

  • For example. 

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