muffle vs undress

muffle

verb
  • To wrap (a person, face etc.) in fabric or another covering, for warmth or protection; often with up. 

  • To wrap up or cover (a source of noise) in order to deaden the sound. 

  • To mute or deaden (a sound etc.). 

noun
  • The bare end of the nose between the nostrils, especially in ruminants. 

  • A machine with two pulleys to hoist load by spinning wheels, polyspast, block and tackle. 

  • A kiln or furnace, often electric, with no direct flames (a muffle furnace) 

  • Anything that mutes or deadens sound. 

  • A warm piece of clothing for the hands. 

undress

verb
  • To take the dressing, or covering, from. 

  • To remove the clothing of (someone). 

  • To remove one's clothing. 

  • To remove one’s clothing. 

  • To strip of something. 

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 muffle and undress occurred in a corpus of books? (source: Google Ngram Viewer )