dewlap vs lappet

dewlap

noun
  • The pendulous skin under the neck of an ox, or a similar feature on any other animal. 

  • The sagging flesh on the throat of an elderly human. 

lappet

noun
  • A wattle or flap-like structure on the face. 

  • A head-dress made with lappets for lace pendants. 

  • A small decorative fold or flap, especially of lace or muslin, in a garment or headdress. 

verb
  • To decorate with, or as if with, lappets. 

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