Synonyms to three-ply

ternary, clover, deuce-ace, leash, set of three, shamrock, tercet, tern, ternal, ternate, ternion, terzetto, three, threefold, threesome, tierce, treble, trefoil, trey, triad, trialogue, triangle, tricorn, trident, triennium, trihedron, trilogic, trilogy, trimester, trinal, trine, trinity, trinomial, trio, triphthong, triple, triple crown, triple threat, triplet, triplex, triplicate, triplopy, tripod, triptych, trireme, triseme, triskelion, trisul, triumvirate, triunity, trivet, troika, filmy, attenuate, attenuated, beclouded, blear, bleared, bleary, blurred, blurry, clear, clear as crystal, clouded, cloudy, cobwebby, confused, crystal, crystal-clear, crystalline, dainty, dark, delicate, diaphane, diaphanous, dim, downy, faint, feeble, fine, fine-drawn, fine-grained, finespun, flimsy, fluffy, foggy, foliaceous, foliated, fuzzy, gauzy, gossamer, gossamery, half-seen, half-visible, hazy, ill-defined, in layers, inconspicuous, indefinite, indistinct, indistinguishable, insubstantial, lamellar, lamellate, lamellated, lamelliform, laminate, laminated, laminous, leaflike, leafy, light, light-pervious, limpid, low-pro