Ffurf, n. shape; form; order
Ffurfafen, n. a firmament
Ffurfeiddio, v. to frame
Ffurfiad, n. a shaping
Ffust, n. a flail, a thrasher
Ffustiad, n. a thrashing
Ffusto, v. to beat, to bang
Ffwdan, n. bustle, hurry
Ffwdanu, v. to be in a hurry
Ffwdanus, a. fidgetty, hurried