palustral vs uliginous

palustral

adj
  • Pertaining to or living in marshes; marshy. 

uliginous

adj
  • Marshy, swampy, waterlogged. 

  • Growing in muddy places. 

  • Slimy. 

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