Tyrfain, v. to be blustering
Tyrfâu, v. to shrink together
Tyrfu, v. to rise up; to turn up; to contract, to skrink
Tyriad, n. a heaping, a piling
Tyru, v. to heap, to amass
Tyrwn, n. a sand bank
Tysmwy, n. a throb
Tysmwyad, n. a throbbing
Tyst, n. a witness
Tystiad, n. a witnessing