clart vs slummock

clart

noun
  • A person who is unclean. 

  • A daub. 

  • Unwanted stuff; junk; clutter; rubbish; stuff that is in the way. 

  • Sticky mud, mire or filth. 

  • A fool. 

verb
  • To daub, smear, or spread, especially with mud, etc.; to dirty. 

slummock

noun
  • A slovenly person 

verb
  • To behave awkwardly or clumsily 

  • To behave lazily or indolently 

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