fiddle with vs juggle

fiddle with

verb
  • To manipulate in order to gain something for oneself. 

  • To adjust the position, as of an electronic device, in order to provide better reception or signal. 

  • To manipulate an object, especially in a nervous or restless manner. 

juggle

verb
  • To deceive by trick or artifice. 

  • To manipulate objects, such as balls, clubs, beanbags, rings, etc. in an artful or artistic manner. Juggling may also include assorted other circus skills such as the diabolo, devil sticks, hat, and cigar box manipulation as well. 

  • To handle or manage many tasks at once. 

noun
  • The act of throwing and catching each prop at least twice, as opposed to a flash. 

  • The handling or managing of many tasks at once. 

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