Prickle, Provoke, Quill, Rage, Ramp, Rankle, Rear, Ride, Rile, Rise, Ruffle, Rumple, Seethe, Shag, Spike, Spine, Stick, Sticker, Sting, Stubble, Swarm, Tease, Teem, Thistle, Thorn, Torment, Tuft, Uprise, Vex, Whisker, Whiskers, Wool, Worry, Wrinkle, Aggravate, Anger, Annoy, Arise, Arouse, Badger, Bait, Barb, Beard, Beaver, Bedevil, Beset, Bite, Boil, Bother, Bramble, Bridle, Bug, Burn, Burr, Cactus, Chafe, Cilium, Cleavers, Coat, Crawl, Crinkle, Crumple, Cut, Devil, Distemper, Disturb, Dog, Down, Embitter, Exasperate, Exercise, Fleece, Fret, Fume, Fur, Get, Goatee, Gripe, Hair, Harass, Harry, Heckle, Hector, Horsehair, Hound, Huff, Imperial, Incense, Inflame, Irk, Irritate, Mane, Molest, Nag, Needle, Nettle, Pelt, Persecute, Pester, Pile, Pique, Plague, Prick