Efre, n. tare, weed
Efrefiad, n. a lowing
Efrefu, v. to low, to bleat
Efrllid, n. merit, desert
Efryd, n. study, meditation
Efrydio, v. to meditate
Efrydd, a. maimed, disabled
Efryddiad, n. a maiming
Efryddu, v. to maim, to disable
Efwyr, n. hog parsnip