habiliment vs skirt suit

habiliment

noun
  • Clothes, especially clothing appropriate for someone's job, status, or to an occasion. 

  • Equipment or furnishings characteristic of a place or being; trappings. 

skirt suit

noun
  • A women's suit consisting of a jacket and a matching skirt 

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