Fearie, used here ([page 203]) in the sense of fearless.
Feat, tidy.
Feats, clever doings.
Fecket, under-jacket.
Fen, to strive hard for the means of livelihood.
Fey, a small field or croft.
Fient, no one at all.
Firsle, to rustle.
Fleyed, frightened.
Flutterbaws, puff-balls (see blinmens’ baws).