front-page vs serious

front-page

adj
  • So important as to warrant being put on the front page of newspapers. 

  • Which appears on the front page of a publication. 

serious

adj
  • Committed. 

  • Without humor or expression of happiness; grave in manner or disposition 

  • Really intending what is said (or planned, etc); in earnest; not jocular or deceiving 

  • Important; weighty; not insignificant 

adv
  • In a serious manner; seriously. 

How often have the words front-page and serious occurred in a corpus of books? (source: Google Ngram Viewer )