glug vs knep

glug

verb
  • To quickly swallow liquid. 

  • To flow in noisy bursts. 

intj
  • The sound made when a significant amount of liquid is poured out of a jug, bottle, etc., or when such an amount is swallowed by a person. 

noun
  • The sound made when a significant amount of liquid is poured suddenly out of something, such as a jug or bottle. 

  • The amount of liquid issued when the "glug" sound is heard. 

knep

verb
  • To bite gently, nibble. 

  • To pick or pick off (e.g. flowers, berries, etc.) 

  • To clasp the hands; to clench one's fists. 

  • To graze, crop; (of horses) to bite in play. 

  • To tie or bundle something tightly and securely. 

noun
  • Synonym of kneppars 

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