prune vs undress

prune

verb
  • To cut down or shorten (by the removal of unnecessary material). 

  • To remove excess material from a tree or shrub; to trim, especially to make more healthy or productive. 

  • To remove unnecessary branches from a tree data structure. 

  • To become wrinkled like a dried plum, as the fingers and toes do when kept submerged in water. 

noun
  • The dried, wrinkled fruit of certain species of plum. 

  • Something wrinkly like a prune. 

  • An old woman, especially a wrinkly one. 

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