drinking straw vs teat

drinking straw

noun
  • A long tube (usually made out of plastic or paper) through which a beverage is drunk via suction. 

teat

noun
  • Something resembling a teat, such as a small protuberance or nozzle. 

  • The projection of a mammary gland from which, on female mammals, milk is secreted. 

  • Synonyms: tit (now vulgar), pap, nipple, dug 

  • An artificial nipple used for bottle-feeding infants. 

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