. . "trefoils" . . . . . . "trefoil" . "trefoil plan" . "foliated" . . . "trefoil-headed" . . . . . "trefoiled" . . "triconhos" . . "Trefoil" . . "Trefoil" . . . . "Trefoil#Heraldry" . . "clover" . . . . "foiled" . "foils" . . .