ethnic vs people's

ethnic

adj
  • Representative of a folk or traditional mode of expression. 

  • Of or relating to a group of people having common racial, ancestral, national, religious or cultural origins. 

  • Characteristic of a foreign or a minority group's culture. 

  • Heathen, not Jewish, Christian, or Muslim. 

noun
  • The demonym of an Ancient Greek city. 

  • An ethnic person, especially a foreigner or member of an immigrant community. 

people's

adj
  • Used other than figuratively or idiomatically: see people, -'s. 

  • In certain socialist states: of, from, or controlled (at least in name) by the common people rather than a ruling elite. 

  • Considered to be of, from, or in tune with the common people, rather than from a ruling elite. 

How often have the words ethnic and people's occurred in a corpus of books? (source: Google Ngram Viewer )