affliction, annoyance, anxiety, attention, bother, botheration, care, chagrin, concern, cumber, cumbrance, difficulty, discomfort, dismaying, disquiet, disquietude, disturbance, embarrassment, ferment, fidget, fix, flutter, fretfulness, grief, hassle, headache, inconvenience, malaise, matter, mess, misgiving, object, pain, perturbation, predicament, preoccupation, problem, qualm, quandary, regard, restlessness, ruffle, solicitude, sorrow, suspense, tizzy, trepidation, tribulation, trouble,
tumult, turbulence, turmoil, unease, uneasiness, unrest, worrier, worry