robe vs undress

robe

verb
  • To clothe; to dress. 

  • To put on official vestments. 

noun
  • A long loose outer garment, often signifying honorary stature. 

  • The skin of an animal, especially the bison, dressed with the fur on, and used as a wrap. 

  • A wardrobe, especially one built into a bedroom. 

  • The largest and strongest tobacco leaves. 

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