pleat vs shirr

pleat

noun
  • A plait. 

  • A fold in the fabric of a garment, usually a skirt, as a part of the design of the garment, with the purpose of adding controlled fullness and freedom of movement, or taking up excess fabric. There are many types of pleats, differing in their construction and appearance. 

  • A fold in an organ, usually a longitudinal fold in a long leaf such as that of palmetto, lending it stiffness. 

verb
  • To form one or more pleats in a piece of fabric or a garment. 

  • To plait. 

shirr

noun
  • A shirring. 

verb
  • To make gathers in textiles by drawing together parallel threads. 

  • To bake (a raw egg removed from its shell) in a baking dish. 

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