undergarment vs waspie

undergarment

noun
  • Any garment worn underneath others, especially one worn next to the skin; an item of underwear. 

  • Temple garments worn by the followers of the Church of Jesus Christ of Latter-day Saints. 

waspie

noun
  • A women's waist cincher or small corset, worn as underwear or over other clothes. 

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