bookmark vs divider

bookmark

noun
  • A strip of material used to mark a place in a book. 

  • A record of the address of a file or Internet page, serving as a shortcut to it. 

  • A pointer found in a nonclustered index to a row in a clustered index or a table heap 

verb
  • To create a bookmark. 

divider

noun
  • A piece of card placed in a ring binder to separate groups of documents. 

  • A physical object for dividing up a space. 

  • An electronic device for separating a signal, frequency, etc., into two or more parts. 

  • One who or that which divides or separates. 

  • A device resembling a drawing compass and used to transfer measurements of length. 

  • The median (US) or central reservation (UK) of a highway or other road where traffic in opposite directions are kept separated. 

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