Duplechain rhymes with:
baudoin, boatswain, chapdelaine, chilblain, cyclohexane, finucane, hexane, ibogaine, lamountain, madelaine, moscowane, octane, ptomaine, ramtane, tremayne
baudoin, boatswain, chapdelaine, chilblain, cyclohexane, finucane, hexane, ibogaine, lamountain, madelaine, moscowane, octane, ptomaine, ramtane, tremayne