Trysain, n. perfect, sound
Trysawdd, n. a cube root
Trysgledd, n. awkwardness
Trysor, n. a treasure
Trysoriad, n. a treasuring
Trysorwr, n. a treasurer
Trystiad, n. a blusterer
Trystiad, n. a clattering
Trystian, v. to keep clattering
Trystio, v. to bluster, to clatter, to rustle