Rhyferthin, n. a violent gust
Rhyferthwy, n. a torent, a tempest
Rhyferwi, v. to over-boil
Rhyfoli, v. to praise; to flatter
Rhyforiad, n. a scrambling
Rhyfrys, n. precipitancy
Rhyfwydd, n. currant trees
Rhyfyg, n. presumption
Rhyfygol, a. presuming insolent
Rhyfygu, v. to presume