into vs on a string

into

prep
  • Against, especially with force or violence. 

  • After the start of. 

  • Interested in or attracted to. 

  • Investigating the subject (of). 

  • Expressing the operation of division, with the denominator given first. Usually with "goes". 

  • To or towards the inside of. 

  • Indicates transition into another form or substance. 

  • To or towards the region of. 

  • Indicates division or the creation of subgroups or sections. 

on a string

prep
  • Under one's control or influence. 

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