overdress vs spruce up

overdress

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

  • To wear too many clothes for a particular occasion. 

noun
  • Any garment worn over another. 

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

spruce up

verb
  • To dress or arrange smartly, elegantly, and neatly; to smarten. 

  • To refresh, revamp; to freshen or improve something, especially its appearance. 

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