fennish vs slumpy

fennish

adj
  • Abounding in fens; fenny. 

slumpy

adj
  • Easily broken through; boggy; marshy. 

  • Slumping or sagging, or tending to slump or sag. 

  • Characteristic of an economic slump. 

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