Treftadaeth, n. a patrimony
Treftadog, a. having patrimony
Treftadol, a. patrimonial
Treftadu, v. to form a patrimony
Trefu, v. to make a home
Trengol, a. perishing, vanishing
Trengi, v. to end, to expire
Treiad, n. a decreasing
Treidio, v. to course, to range
Treiddiad, n. a penetrating