caitiff vs wuss

caitiff

noun
  • A base or despicable person; a wretch 

adj
  • Especially despicable; cowardly 

wuss

noun
  • A weak, ineffectual, cowardly, or timid person. 

verb
  • Only used in wuss out 

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