bathrobe vs overdress

bathrobe

noun
  • A robe usually made of terrycloth intended to be worn when one is still damp from bathing or when there is no immediate need to dress fully. 

overdress

noun
  • Any dress (feminine-style garment) worn over another, especially over an underdress. 

  • Any garment worn over another. 

verb
  • To wear too many clothes for a particular occasion. 

  • To wear clothing which is too elaborate or formal for a particular occasion. 

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