sham vs undress

sham

verb
  • To deceive, cheat, lie. 

  • To obtrude by fraud or imposition. 

  • To assume the manner and character of; to imitate; to ape; to feign. 

adj
  • mock 

  • Intended to deceive; false. 

  • counterfeit; unreal 

  • See also Thesaurus:fake 

noun
  • A decorative cover for a pillow. 

  • A false front, or removable ornamental covering. 

  • Trickery, hoaxing. 

  • A fake; an imitation that purports to be genuine. 

  • Champagne. 

undress

verb
  • To strip of something. 

  • To remove the clothing of (someone). 

  • To remove one's clothing. 

  • To remove one’s clothing. 

  • To take the dressing, or covering, from. 

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

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

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

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