kidder vs rolly polly

kidder

noun
  • A kidderminster (carpet) 

  • One who kids, or teases light-heartedly. 

  • A term of endearment/address for a child or young adult, usually male. 

rolly polly

noun
  • A woodlouse. 

  • A forward roll or a backwards roll. 

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