Feeling a need to see others suffer.

synonyms: malice, maliciousness, spitefulness, venom.

Roget 907: malevolence; bad intent, bad intention; unkindness, diskindness^†; ill nature, ill will, ill blood; bad blood; enmity etc. 889; hate etc. 898; malignity; malice, malice prepense^†; maliciousness etc. adj.; spite, despite; resentment etc. 900.    uncharitableness etc. adj.; incompassionateness etc. 914.1^†; gall, venom, rancor, rankling, virulence, mordacity^†, acerbity churlishness etc. (discourtesy) 895.    hardness of heart, heart of stone, obduracy; cruelty; cruelness etc. adj.; brutality, savagery; ferity^†, ferocity; barbarity, inhumanity, immanity^†, truculence, ruffianism; evil eye, cloven foot; torture, vivisection.    ill turn, bad turn; affront etc. (disrespect) 929; outrage, atrocity; ill usage; intolerance, persecution; tender mercies [Iron.]; unkindest cut of all" [Julius Caesar]. ... show more

Roget 921: envy; enviousness etc. adj.; rivalry; jalousie de milier [Fr.]; illwill, spite.   

Polish: cierpkość, ciętość, jad, jadowitość, kąśliwość, kostyczność, uszczypliwość, zgryźliwość, zjadliwość, złośliwość

Malevolence by virtue of being malicious or spiteful or nasty.

synonyms: bitchiness, cattiness, nastiness, spitefulness.

Polish: wredność

Hurt the feelings of.

synonyms: bruise, hurt, injure, offend, wound.

Dutch: grieven, krenken, kwetsen, steken