head-on vs terse

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. 

terse

adj
  • Of manner or speech: abruptly or brusquely short; curt. 

  • Of speech or style: brief, concise, to the point. 

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