headline vs read/write head

headline

noun
  • A headrope. 

  • The heading or title of a magazine or newspaper article. 

  • The top-billed attraction. 

verb
  • To present as the main attraction; to have top billing, to be the main attraction. 

  • To give a headline to a page or section of a text. 

read/write head

noun
  • A combination read head and write head 

How often have the words headline and read/write head occurred in a corpus of books? (source: Google Ngram Viewer )