preen vs pretty

preen

verb
  • To improve the appearance of; groom; prettify. 

  • To spend time making oneself attractive and admiring one's appearance, e.g. in front of a mirror. 

  • To trim up, as trees. 

  • To flatter. 

  • To comb; to make orderly. 

  • To groom; to trim or dress with the beak, as the feathers. 

  • To show off, posture, or smarm. 

  • To pin; fasten. 

noun
  • bodkin; brooch 

  • A forked tool used by clothiers for dressing cloth. 

  • pin 

pretty

verb
  • To make pretty; to beautify 

adv
  • Somewhat, fairly, quite; sometimes also (by meiosis) very. 

  • Prettily, in a pretty manner. 

adj
  • Cunning; clever, skilful. 

  • Fine-looking; only superficially attractive; initially appealing but having little substance; see petty. 

  • Of objects or things: nice-looking, appealing. 

  • Pleasant to the sight or other senses; attractive, especially of women or children. 

  • Awkward, unpleasant. 

noun
  • Something that is pretty. 

  • A pretty person; a term of address to a pretty person. 

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