head-on vs precisely

head-on

adv
  • With direct confrontation. 

  • With the front of a vehicle. 

noun
  • A collision from the front. 

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

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

precisely

adv
  • Used to provide emphasis. 

  • In a precise manner; exactly. 

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