accrue from, ankle, arbor, arise from, articulate, articulation, axis, axle, axle bar, axle shaft, axle spindle, axle-tree, batten, batten down, be based on, be contingent on, be dependent on, be due to, be predicated on, bolt, boundary, buckle, bud from, butt, button, cervix, clasp, cleat, climacteric, clinch, clip, closure, clutch, come from, come out of, connecting link, connecting rod, connection, convergence of events, coupling, crisis, critical juncture, critical point, crossroads, crucial period, crunch, depend, depend on, derive from, descend from, distaff, dovetail, elbow, emanate from, embrace, emerge from, emergency, ensue from, exigency, extremity, flow from, follow from, fulcrum, germinate from, gimbal, gliding joint, grow from, grow out of, gudgeon, hang, hang on, hasp, hinge on, hinged joint, hingle, hip, hitch, hook, hub, interface, issue from, jam, join, joining, joint, juncture, knee, knuckle, latch, lie on, lie with, link, lock, mandrel, miter, mortise, nail, nave, neck, oarlock, originate in, pass, peg, pin, pinch, pintle, pivot, pivot joint, pole, proceed from, push, rabbet, radiant, rest, rest on, rest with, revolve on, rivet, rowlock, rub, scarf, screw, seam, sew, shoulder, skewer, snap, spindle, spring from, sprout from, stand on, staple, stem from, stick, stitch, strait, suture, swivel, symphysis, tack, tie rod, toggle, toggle joint, trunnion, turn, turn on, turn upon, turning point, union, wedge, weld, wrist, zipper
junction, joining, joinder, union connection, conjunction, conjugation, annexion, annexation, annexment, astriction, attachment, compagination, vincture, ligation, alligation, accouplement, marriage infibulation, inosculation, symphysis, anastomosis, confluence, communication, concatenation, meeting, reunion, assemblage, coition, copulation, sex, sexual congress, sexual conjunction, sexual intercourse, love-making, joint, joining, juncture, pivot, hinge, articulation, commissure, seam, gore, gusset, suture, stitch, link, miter mortise, closeness, tightness coherence, combination, annexationist, joined, joint, conjoint, conjunct, corporate, compact, hand in hand, firm, fast, close, tight, taut, taught, secure, set, intervolved, inseparable, indissoluble, insecable, severable, jointly, in conjunction with, fast, firmly intimately, tria juncta in uno.
connection, vinculum, link, connective, connection, junction, bond of union, copula, hyphen, intermedium, bracket, bridge, stepping-stone, isthmus, bond, tendon, tendril, fiber, cord, cordage, riband, ribbon, rope, guy, cable, line, halser, hawser, painter, moorings, wire, chain, string, fastener, fastening, tie, ligament, ligature, strap, tackle, rigging, standing rigging, running rigging, traces, harness, yoke, band ribband, bandage, brace, roller, fillet, inkle, with, withe, withy, thong, braid, girder, tiebeam, girth, girdle, cestus, garter, halter, noose, lasso, surcingle, knot, running knot, cabestro, cinch, lariat, legadero, oxreim, suspenders, pin, corking pin, nail, brad, tack, skewer, staple, corrugated fastener, clamp, U-clamp, C-clamp, cramp, cramp iron, ratchet, detent, larigo, pawl, terret, treenail, screw, button, buckle, clasp, hasp, hinge, hank, catch, latch, bolt, latchet, tag, tooth, hook, hook and eye, lock, holdfast, padlock, rivet, anchor, grappling iron, trennel, stake, post, cement, glue, gum, paste, size, wafer, solder, lute, putty, birdlime, mortar, stucco, plaster, grout, viscum, shackle, rein, prop.
cause, origin, source, principle, element, occasioner, prime mover, primum mobile, vera causa, author, mainspring, agent, leaven, groundwork, foundation, spring, fountain, well, font, fountainhead, spring head, wellhead, fons et origo, genesis, descent, remote cause, influence, pivot, hinge, turning point, lever, crux, fulcrum, key, proximate cause, causa causans, straw that breaks the camel's back, ground, reason, reason why, why and wherefore, rationale, occasion, derivation, final cause, les dessous des cartes, undercurrents, rudiment, egg, germ, embryo, bud, root, radix radical, etymon, nucleus, seed, stem, stock, stirps, trunk, tap-root, gemmule, radicle, semen, sperm, nest, cradle, nursery, womb, nidus, birthplace, hotbed, causality, causation, origination, production, caused, causal, original, primary, primitive, primordial, aboriginal, protogenal, radical, embryonic, embryotic, in embryo, in ovo, seminal, germinal, at the bottom of, connate, having a common origin, because, behind the scenes, causa latet vis est notissima, felix qui potuit rerum cognoscere causas.
rotation, revolution, spinning, gyration, turning about an axis, turning aound an axis, circulation, roll, circumrotation, circumvolution, circumgyration, volutation, circination, turbination, pirouette, convolution, verticity, whir, whirl, eddy, vortex, whirlpool, gurge, countercurrent, Maelstrom, Charybdis, Ixion, cyclone, tornado, whirlwind, dust devil, spin-out, axis, axis of rotation, swivel, pivot, pivot point, axle, spindle, pin, hinge, pole, arbor, bobbin, mandrel, axle shaft, gymbal, hub, hub of rotation, helix, helical motion, angular momentum, angular velocity, revolutions per minute, RPM, centrifugal force, surge, vertigo, dizzy round, coriolus force, carousel, merry-go-round, Ferris wheel, top, dreidel, teetotum, gyroscope, turntable, lazy suzan, screw, whirligig, rollingstone, water wheel, windmill, wheel, pulley wheel, roulette wheel, potter's wheel, pinwheel, gear, roller, flywheel, jack, caster, centrifuge, ultracentrifuge, bench centrifuge, refrigerated centrifuge, gas centrifuge, microfuge, drill, augur, oil rig, wagon wheel, wheel, tire, tyre, trochilics, whirling dervish, rotating, rotary, rotary, circumrotatory, trochilic, vertiginous, gyratory, vortical, vorticose, head over heels, round and round, like a horse in a mill.