pucker vs spread out

pucker

verb
  • To pinch or wrinkle; to squeeze inwardly, to dimple or fold. 

noun
  • A state of perplexity or anxiety; confusion; bother; agitation. 

  • A fold or wrinkle. 

spread out

verb
  • To place items further apart. 

  • Become further apart. 

adj
  • Covering a wide area of space or long period of time. 

  • Far apart, not close to each other - far apart, extended over an expanse of space or time. 

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