footle vs mill about

footle

verb
  • To waste time; to trifle. 

  • To talk nonsense. 

noun
  • nonsense; foolishness. 

mill about

verb
  • To move or circulate in a confused or disorderly manner within a limited area. 

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