Synonyms of excruciation

1 Syllable
hell, pain, bane, rack, pest, nag
2 Syllables
trouble, torment, plague, nagging, anguish, worry, bother, scourge
3 Syllables
affliction, misery, cruciation, vexation, agony, torture, annoyance, harassment, nuisance, suffering
4 Syllables
provocation, impalement, irritation, persecution