• 怨恨えんこん

  enmity, grudge

• 怨敵おんてき

  sworn enemy

• 怨声えんせい

  complaint, murmur

• 怨色えんしょく

  grudging look

• 怨望えんぼう

  resentment, grudge

• 怨嗟えんさ

  (deeply held) resentment

• 怨語えんご

  grudge, complaint, reproach

• 怨念おんねん

  deep-seated grudge, hatred

• 怨言えんげん

  grudge, complaint, reproach

• 怨霊おんりょう

  revengeful ghost, apparition

• 怨讐おんしゅう

  resentment, hatred, enmity

• 呪怨じゅうおん

  Ju-on, The Grudge (Japanese horror movie)

• 旧怨きゅうえん

  old grudge

• 宿怨しゅくえん

  old grudge, old score

• 私怨しえん

  personal grudge, personal enmity

• 怨ずるえんずる

  to bear a grudge

• 怨憎会苦おんぞうえく

  the pain of meeting people one dislikes

• 怨敵退散おんてきたいさん

  invoking disaster upon one's mortal enemy, Confusion to the enemy!

• 怨親平等おんしんびょうどう

  care equally for friends and foes, treat everyone with equal kindness

• 私怨私欲しえんしよく

  personal grudges and selfish desires

• 大徳は小怨を滅すだいとくはしょうえんをめっす

  great virtues extinguish small grudges

• 人を怨むより身を怨めひとをうらむよりみをうらめ

  it is easier to blame than do better, instead of resenting others, resent yourself

• 怨害おんがい

  damages caused by an evil apparition, a ghost's curse

• 怨じるえんじる

  to bear a grudge, to resent