Afflict, Affliction, Aggravate, Aggravation, Ail, Anguish, Annoy, Annoyance, Badger, Bait, Bane, Bedevil, Beset, Besiege, Bevy, Bitch, Blight, Bother, Bristle, Bug, Bugbear, Burden, Buttonhole, Cajole, Calamity, Chafe, Charm, Cloud, Coax, Concern, Curse, Death, Destruction, Devil, Trouble, Tuberculosis, Urge, Vex, Vexation, Visitation, Watch, Wheedle, Woe, Worry, Disease, Distemper, Distress, Disturb, Dog, Drag, Dun, Epidemic, Evil, Exasperate, Exercise, Flight, Flock, Fret, Gaggle, Gall, Get, Gnaw, Grievance, Gripe, Harass, Harm, Harry, Hassle, Haunt, Headache, Heckle, Hector, Hive, Hound, Importune, Inconvenience, Infest, Infestation, Infliction, Invade, Invasion, Irk, Irritate, Irritation, Molest, Nag, Needle, Nemesis, Nettle, Nuisance, Overrun, Overrunning, Pandemic, Perplex, Persecute, Perturb, Pest, Pester, Pestilence, Pique, Ply, Press, Pressure, Provoke, Push, Puzzle, Ravage, Ride, Rile, Ruffle, Scourge, Skein, Spring, Swarm, Swarming, Tease, Teeming, Thorn, Torment, Torture