mee-maw vs plod

mee-maw

noun
  • A policeman. 

  • An exaggerated mouthing of a word. 

  • A two-syllable wail. 

  • A meaningless utterance. 

verb
  • To make a two-syllable wailing noise. 

  • To make exaggerated movements with the mouth so as to be understood above a loud noise, such as that of machinery. 

plod

noun
  • a police officer, especially a low-ranking one. 

  • A slow or labored walk or other motion or activity. 

  • the police, police officers 

verb
  • To walk or move slowly and heavily or laboriously (+ on, through, over). 

  • To toil; to drudge; especially, to study laboriously and patiently. 

  • To trudge over or through. 

How often have the words mee-maw and plod occurred in a corpus of books? (source: Google Ngram Viewer )