Trag-e-dy, dïenchware; erchylldro
Trans-ac-tion, gorchwyl, neges
Trans-fig-ure, gweddnewid
Trans-gres-sion, troseddiad, camwedd, anwiredd
Trans-gres-sor, troseddwr
Tran-si-tion, trofiad, trawssymmudiad
Tran-si-tive, trofus, trawsfynedigol
Trans-la-tion, cyfieithiad, trosiad
Trans-la-tor, cyfieithydd
Trans-mis-sion, trosglwyddiad