nappy vs villous

nappy

adj
  • Of hair: tightly curled or twisted; frizzy (often specifically in reference to Afro textured hair) 

  • Having a nap (of cloth etc.); downy; shaggy. 

  • Nervous, excitable. 

  • brittle 

  • Inclined to sleep; sleepy. 

  • Foamy; having a large head. 

verb
  • To put a nappy on. 

noun
  • An absorbent garment worn by a baby who does not yet have voluntary control of their bladder and bowels or by someone who is incontinent; a diaper. 

  • A shallow, flat-bottomed earthenware or glass bowl with sloping sides. 

villous

adj
  • Hairy, covered with soft long hair. 

  • Covered with villi. 

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