FROCK, smock-frock.
FROLICS, (?) humorous verses circulated at a feast (N.E.D.); couplets wrapped round sweetmeats (Cunningham).
FRONTLESS, shameless.
FROTED, rubbed.
FRUMETY, hulled wheat boiled in milk and spiced.
FRUMP, flout, sneer.
FUCUS, dye.
FUGEAND, (?) figent: fidgety, restless (N.E.D.).
FULLAM, false dice.
FULMART, polecat.