loll vs unbend

loll

verb
  • To act lazily or indolently while reclining; to lean; to lie at ease. 

  • To let (the tongue) hang from the mouth in this way. 

  • To hang extended from the mouth, like the tongue of an animal heated from exertion. 

unbend

verb
  • To relax in exertion, attention, severity, or the like 

  • To remove a bend so as to make, or allow to become, straight. 

  • To cast loose or untie 

  • To cease to be bent; to become straight. 

  • To release (a load) from a strain or from exertion; to set at ease for a time; to relax. 

  • To unfasten sails from the spars or stays to which are attached for use. 

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