dogsbody vs errand boy

dogsbody

noun
  • A person who does menial work, a servant. 

verb
  • To act as a dogsbody, to do menial work 

errand boy

noun
  • Someone in a responsible position who performs relatively menial tasks for a senior manager. 

  • A male employed to run errands. 

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