peon vs planter

peon

noun
  • A lowly person; a peasant or serf; a labourer who is obliged to do menial work. 

  • A person of low rank or importance. 

  • A messenger, foot soldier, or native policeman. 

planter

noun
  • One who plants something. 

  • A box or pot for plants, usually large and standing on the floor. 

  • A machine used for planting seeds. 

  • Any of the early English or Scottish settlers, given the lands of the dispossessed Irish populace during the reign of Elizabeth I. 

  • The owner of a plantation. 

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