hang-up vs whimsy

hang-up

noun
  • An emotional difficulty or a psychological inhibition; a complex. 

  • An unforeseen obstacle to progress; a hitch or delay. 

whimsy

noun
  • An impulsive, illogical or capricious character. 

  • A quaint and fanciful idea; a whim; playfully odd behaviour. 

  • A jigsaw puzzle piece that has been cut into a recognizable shape, as if on a whim; often the shape is representative of the theme of the image used for the puzzle. 

  • A whim (capstan or vertical drum). 

verb
  • To fill with whimsies or whims; to make fantastic; to craze. 

How often have the words hang-up and whimsy occurred in a corpus of books? (source: Google Ngram Viewer )