Tirdriniad, n. a dressing of land
Tirddiwyll, n. agriculture
Tirf, a. fresh, luxuriant; lively
Tirfâd, n. a freshening
Tirfâu, v. to freshen; to enrich
Tirfdra, n. freshness; richness
Tiriad, n. a making a land
Tiriadu, v. to make a landing
Tirio, v. to land; to turn the ground
Tiriog, a. having land, landed