ran·cor (US) or Brit ran·cour 
/ˈræŋkɚ/ noun
/ˈræŋkɚ/ noun [noncount] formal : an angry feeling of hatred or dislike for someone who has treated you unfairly
▪ She answered her accusers calmly and without rancor. ▪ In the end, the debate created a degree of rancor among the committee members.
▪ She answered her accusers calmly and without rancor. ▪ In the end, the debate created a degree of rancor among the committee members.
— ran·cor·ous (US) or Brit ran·cour·ous /ˈræŋkərəs/ adjective [more rancorous; most rancorous]
▪ a rancorous debate
/ˈræŋkərəs/ adjective [more rancorous; most rancorous] ▪ a rancorous debate
