sloughy vs uliginous

sloughy

adj
  • Marshy; having the characteristics of a wetland. 

  • Resembling dead skin. 

uliginous

adj
  • Marshy, swampy, waterlogged. 

  • Growing in muddy places. 

  • Slimy. 

How often have the words sloughy and uliginous occurred in a corpus of books? (source: Google Ngram Viewer )