ambiguate vs jumble

ambiguate

verb

  • To make more ambiguous. 

jumble

verb

  • To mix or confuse. 

  • To meet or unite in a confused way. 

noun

  • A mixture of often unrelated things. 

  • A rummage sale. 

  • Items for a rummage sale. 

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