Treisaid, n. forcer: n. heifer
Treisiaeth, n. ravishment
Treisiant, n. oppression, force
Treisio, v. to force, to ravish, to oppress
Treisioldeb, n. oppressiveness
Treisiwr, Treisydd, n. a forcer, a ravisher, an oppressor
Treithio, v. to treat, to discourse
Trem, n. a sight, a look, an aspect
Trembeiriant, n. optical instrument
Tremiad, n. looking, a gazing