bold vs head-on

bold

adj
  • Presumptuous, forward or impudent. 

  • Naughty; insolent; badly-behaved. 

  • Courageous, daring. 

  • Pornographic; depicting nudity. 

  • Steep or abrupt. 

  • Full-bodied. 

  • Having thicker strokes than the ordinary form of the typeface. 

  • Visually striking; conspicuous. 

verb
  • To make (a font or some text) bold. 

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. 

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