frill vs gusset

frill

noun
  • A strip of pleated fabric or paper used as decoration or trim. 

  • A substance or material on the edge of something, resembling such a strip of fabric. 

  • A wrinkled edge to a film. 

  • Something extraneous or not essential; something purely for show or effect; a luxury. 

  • The relatively extensive margin seen on the back of the heads of reptiles, with either a bony support or a cartilaginous one. 

verb
  • To become wrinkled. 

  • To provide or decorate with a frill or frills; to turn back in crimped plaits. 

  • To make into a frill. 

gusset

noun
  • A small piece of cloth inserted in a garment, for the purpose of strengthening some part or giving it a tapering enlargement cf. godet. 

  • A large flat metal piece wider than the valley to help prevent build-up at the base of the valley, either from debris or ice dam formations. 

  • A kind of bracket, or angular piece of iron, fastened in the angles of a structure to give strength or stiffness; especially, the part joining the barrel and the fire box of a locomotive boiler. 

  • A gousset, a piece of mail providing protection where armor plates meet. 

  • An abatement or mark of dishonor in a coat of arms, resembling a gusset. 

verb
  • To make with a gusset; to sew a gusset into. 

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