head-on vs unfeigned

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. 

unfeigned

adj
  • Not false or hypocritical. 

  • Genuine. 

  • Not feigned. 

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