blech vs yech

blech

intj

  • An imitation of the sound of gagging, used to express disgust or disdain. 

verb

  • To have the vomiting reflex triggered. 

noun

  • A metal sheet used to cover stovetop burners on Shabbat to allow food to be kept warm without violating the prohibition against cooking. 

yech

intj

  • An exclamation of disgust. 

noun

  • An exclamation of disgust. 

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