midi vs underclothes

midi

noun
  • A coat or skirt having such a hemline. 

  • Synonym of Berliner (“newspaper format”) 

adj
  • Having a hemline at mid-calf length. 

underclothes

noun
  • clothes worn next to the skin and underneath outer clothing 

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