bilgewater vs wass

bilgewater

noun
  • Stupid talk or writing; nonsense. 

  • Water which collects in the bilges of a ship. 

wass

noun
  • specifically inane or sottish words 

  • wanton disposition, unorderly state of mind or behaviour 

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