niggard vs wastethrift

niggard

noun
  • A false bottom in a grate, used for saving fuel. 

  • A miser or stingy person; a skinflint. 

adj
  • Miserly or stingy. 

  • Sparing; stinting; parsimonious. 

verb
  • To hoard; to act stingily. 

wastethrift

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