Dyblygiad, n. a doubling
Dyblygol, a. duplicative
Dyblygu, v. to double, to fold
Dyboeri, v. to spit about
Dybori, v. to browse
Dyborth, n. a support
Dyborthi, v. to support
Dyborthiad, n. a supporting
Dybreiddio, v. to be depredating
Dybry, n. the sea-hen