head-on vs terrible

head-on

adj
  • Direct, abrupt, blunt or unequivocal; not prevaricating. 

  • Of a collision, from the front or in the direction of motion. 

adv
  • With the front of a vehicle. 

  • With direct confrontation. 

noun
  • A collision from the front. 

terrible

adj
  • Intense; extreme in degree or extent. 

  • Dreadful; causing terror, alarm and fear; awesome 

  • Formidable, powerful. 

  • Unpleasant; disagreeable. 

  • Very bad; lousy. 

adv
  • In a terrible way; to a terrible extent; terribly; awfully. 

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