undress vs waist

undress

noun
  • Informal clothing for men, as opposed to formal or ceremonial wear. 

  • Partial or informal dress for women, as worn in the home rather than in public. 

  • Now more specifically, a state of having few or no clothes on. 

verb
  • To remove the clothing of (someone). 

  • To remove one's clothing. 

  • To remove one’s clothing. 

  • To strip of something. 

  • To take the dressing, or covering, from. 

waist

noun
  • A part of a piece of clothing that covers the waist. 

  • That part of the upper deck of a ship between the quarterdeck and the forecastle. 

  • The middle portion of the hull of a ship or the fuselage of an aircraft. 

  • The part of the body between the pelvis and the stomach. 

  • The narrow connection between the thorax and abdomen in certain insects (e.g., bees, ants and wasps). 

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