open chain

canvas, canvass

octagon, bell, brass knucks, bronco buster, rosie, jawbreaker, mat, knucks, biel, lariat, belt, mamaluke, necklace, boxing, bauble, slapjack, batista, bracelet, scissors kick, cage, crotched, turnbuckle, mawashi, wristlock, shillelagh, ropes, bout, goldylocks, stips, uppercut, signet ring, pin, boxer, prizefight, doorknocker, boxing gloves, pendant, cruiserweight, palooka, suplex, stip, opening bell, superfly, fights, quebrada, orton, punches, welterweight, tope, molitor, strap, engagement ring, mistico, hooks, misterio, nwo, light middleweight, alcine, bling, headpiece, hat, apron, middleweight, ddts, brawling, barbwire, vermeil, junior flyweight, doorbell, heel, volador, clothesline, hieron, agogo, super middleweight, light heavyweight, kimbo, exploder, wbc, knockouts, dropkick, picador, trunks, junior middleweight, haymaker, junior welterweight, diaz, yvel, jab, jeweler, cotto, brock, armlet, rassling, featherweight, gnp, thunderbox, light welterweight, jacare, robe, sleigh bell, thumbtack, rings, square, circlet, hoop, rectangle, arrow, circle, hexagon, sash, band, bead, curtain, leaf, sheet, strand, arrowhead, braid, girdle, ethernet, sapphire, ringed, revolving, slotted, token, wireless, clamp, connectionless, duty, eagle, generalpurpose, grooved, magnet, membered, node, oval, play

annulet, begird, bell ringing, bong, boxing ring, call in, carabiner, cloister, curtain ring, ding, dingdong, dong, engagement ring, fairy circle, fairy ring, gird, girt, girth, hang on, hold on, hold the line, karabiner, key ring, knell, mourning ring, napkin ring, nest, nose ring, peal, prize ring, reecho, rim, seal ring, signet ring, snap ring, tintinnabulate, tire, toll, towel ring, tyre, wedding band, wedding ring, wreath, wreathe, wrestling ring, youth gang

., 3-membered, 4-membered, 5-membered, 6-membered, 7-membered, 8-membered, 9-membered, alicyclic compound, alkylbenzene, alpha-naphthol test, anatomical sphincter, annular, annulate, annulated, annulet, antennaria, armillaria caligata, automobile tire, auto tire, band, bandelet, bandelette, bandlet, bellpull, bell push, bong, booted armillaria, boxing match, boxing ring, brass ring, breeches buoy, cameo, canvas, canvass, carabiner, carbocyclic, car tire, celtic cross, chelation, circinate, circle of willis, circular, coffee ring, cringle, curtain ring, cyclic, deck tennis, donut, doughnut, doughnut-shaped, echo, eight-membered, elves, engagement ring, entoproct, eyelet, eyespot, face, fairy-ring mushroom, fairy circle, fairy ring, fisherman's bend, five-membered, flashy, four-membered, friedcake, friedrich august kekule, friedrich august kekule von stradonitz, gasket, gem, genus antennaria, grommet, grummet, gymnopilus spectabilis, gymnopilus validipes, gymnopilus ventricosus, heterocycle, heterocyclic, heterocyclic compound, heterocyclic ring, hitching post, homocyclic, horseshoe, involucre, isocyclic, jewellery, jewelry, jumbal, jumble, karabiner, kayser-fleischer ring, kekule, key ring, knell, lapidary, lentinus lepideus, lifesaver, life belt, life buoy, life ring, loop, marasmius oreades, middle finger, molisch's test, molisch reaction, molisch test, moonseed, mount, mourning ring, musculus sphincter ani externus, musculus sphincter ani internus, musculus sphincter pupillae, neptune, netball, nine-membered, nose ring, ocellus, open chain, o ring, peal, phasianus colchicus, piston ring, plasmid, play, polyp, prize ring, pupillary sphincter, quoit, resound, reverberate, ring-necked pheasant, ring-necked snake, ring-shaped, ringed, ringing, ringlet, ringlike, ringmaster, ringneck snake, ringside, ringside seat, ring containment, ring snake, ring vaccination, rubber tire, s10-membered, savarin, scaly lentinus, screw eye, seal ring, setting, seven-membered, shrimp newburg, signet ring, sinker, six-membered, slinger ring, slip ring, smash, snap ring, sphincter, sphincter muscle, square and rabbet, storage ring, stropharia hornemannii, sumo, symbion pandora, ten-membered, thiazine, three-membered, tintinnabulate, toll, toroid, tortellini, torus, triazine, triphosphopyridine, unsuspected, uranus, veritable, wedding band, wedding ring, wrestling ring

barrel, cask, wagon wheel

association, attach, band, bear, carry, chain, chemical chain, contain, dial, exerciser, go, gymnastic apparatus, hold, jewellery, jewelry, platform, sound, toroid

anchor ring, annulus, anulus, band, call, call up, circle, closed chain, doughnut, echo, encircle, environ, gang, halo, hoop, knell, mob, pack, peal, phone, resound, reverberate, ringing, round, surround, telephone, tintinnabulation