hypodermic vs pastry bag

hypodermic

noun
  • A hypodermic syringe, needle or injection 

adj
  • Of, or relating to the hypodermis, the layer beneath the dermis 

pastry bag

noun
  • A flexible bag from which icing is forced through a small nozzle to make various designs of piping. 

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