imbibe vs sip

imbibe

verb
  • To drink (used frequently of alcoholic beverages). 

  • To take in; absorb. 

sip

verb
  • To taste the liquor of; to drink out of. 

  • To drink slowly, small mouthfuls at a time. 

  • To drink a small quantity. 

  • To consume slowly. 

noun
  • A small mouthful of drink 

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