brag vs keen

brag

verb
  • To boast of something. 

  • To boast; to talk with excessive pride about what one has, is able to do, or has done; often as an attempt to popularize oneself. 

adj
  • Excellent; first-rate. 

noun
  • A boast or boasting; bragging; ostentatious pretence or self-glorification. 

  • The thing which is boasted of. 

  • The card game three card brag. 

keen

verb
  • To utter with a loud wailing voice or wordless cry. 

  • To mourn. 

  • To make cold, to sharpen. 

  • To utter a keen. 

adj
  • Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested. 

  • Acute of mind, having or expressing mental acuteness; penetrating, sharp. 

  • Having a fine edge or point; sharp. 

  • Of cold, wind, etc.: cutting, penetrating, piercing, sharp. 

  • Of prices, extremely low as to be competitive. 

  • Acrimonious, bitter, piercing. 

  • Fierce, intense, vehement. 

noun
  • A prolonged wail for a deceased person. 

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