Similar word to aggravation:
affliction, aggro, bother, botheration, difficulty, distress, exasperation, hang-up, headache, irksomeness, irritation, pain, pain in the neck, pet peeve, provocation, teasing, vexation, worry
affliction, aggro, bother, botheration, difficulty, distress, exasperation, hang-up, headache, irksomeness, irritation, pain, pain in the neck, pet peeve, provocation, teasing, vexation, worry