canny vs head-on

canny

adj
  • Gentle, quiet, steady. 

  • Sounding as if it is coming through a tin can. 

  • Frugal, thrifty. 

  • Friendly, pleasant, fair, agreeable; (sometimes) funny. 

  • Careful, prudent, cautious. 

  • Knowing, shrewd, astute. 

adv
  • Gently, quietly; carefully, skilfully. 

  • Very, considerably; quite, rather. 

head-on

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

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

noun
  • A collision from the front. 

adv
  • With the front of a vehicle. 

  • With direct confrontation. 

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