syrtic vs uliginous

syrtic

adj
  • Of or relating to a syrt; boggy; resembling quicksand. 

uliginous

adj
  • Marshy, swampy, waterlogged. 

  • Growing in muddy places. 

  • Slimy. 

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