Fir Síde, [64], [65].

Firbolgs, [52], [57].

Fires, [199] f., [259], [261] f., [265], [268], [270].

Fires, sacred, [69].

Fish, sacred, [186], [220].

Flann Manistrech, [64].

Flood, [228], [231].

Fomorians, [51], [52] f., [55-56], [65], [72], [83], [89], [90], [114], [133], [189], [237], [251].

Food of immortality, [377] f.

Food as bond of relationship, [379].