groaning vs rustle

groaning

noun
  • A low sound associated with extended suffering, sorrow, and toil. 

adj
  • Heavily laden, as if to creak under the strain. 

  • That groans. 

rustle

noun
  • A soft crackling sound similar to the movement of dry leaves. 

  • A movement producing such a sound. 

verb
  • To make or obtain in a lively, energetic way. 

  • To steal (cattle or other livestock). 

  • To move (something) with a soft crackling sound. 

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