bleck vs yuck

bleck

noun
  • Any black fluid substance, as in blacking for leather, or black grease. 

  • Coalfish (Pollachius virens). 

  • Soot, smut. 

yuck

noun
  • Something disgusting. 

  • The sound made by a whole-hearted laugh. 

verb
  • To say "yuck"; to express disgust. 

  • To vomit or gag; 

  • fuck. 

  • To laugh or joke. 

  • To yank or grab. 

intj
  • Uttered to indicate disgust usually toward an objectionable taste or odour. 

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