Fostre, foster, nurse, [2620], [2624], [2625].
Fostred, fostered, brought up, [2618].
Fot, Fote, foot, [376], [1303], [1474];
'to fot,' at the feet, [2497].
Foueles, fowls, birds, [570], [947].
Foure, Fowre, four, [559], [814], [816], [852].
Fowerti, fourty, [583], [589], [601], [3348].
Fowrtende, fourteenth, [3143].
Frame, profit, advantage, [133], [173], [626], [1837];
benefit, [2540].