Tryfoliad, n. a gormandising

Tryfolio, v. to gormandise

Tryfrith, a thoroughly mixed, swarming; teeming

Tryfrwyd, a. interweaving

Trylais, n. thorough voice

Trylef, n. thorough utterance

Tryles, n. thorough benefit

Trylifo, v. to flow through

Trylith, n. thorough training

Tryliw, n. pervading colour