V-shaped vs forked

V-shaped

adj
  • Shaped like the letter V; especially, designating one of the two major types of valley (the other being U-shaped), typically formed by flowing water. 

forked

adj
  • That splits into two or more directions, or parts. 

  • Having forks (parts into which anything is furcated or divided). 

How often have the words V-shaped and forked occurred in a corpus of books? (source: Google Ngram Viewer )