burp vs moil

burp

verb
  • To utter by burping 

  • To cause someone (such as a baby) to burp. 

  • To open (a container of fermenting substance) to allow the release of accumulated gas. 

  • To emit a burp. 

noun
  • A belch. 

moil

verb
  • To defile or dirty. 

  • To churn continually; to swirl. 

  • To toil, to work hard. 

noun
  • The glass circling the tip of a blowpipe or punty, such as the residual glass after detaching a blown vessel, or the lower part of a gather. 

  • A spot; a defilement. 

  • Confusion, turmoil. 

  • Hard work. 

  • The excess material which adheres to the top, base, or rim of a glass object when it is cut or knocked off from a blowpipe or punty, or from the mold-filling process. Typically removed after annealing as part of the finishing process (e.g. scored and snapped off). 

  • The metallic oxide from a blowpipe which has adhered to a glass object. 

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