Fadrique (Spanish): Form of Frederick (peaceful ruler), from Ancient Germanic elements frid (peace) and ric (power, ruler).
Farraj (Moorish Arabic): “Jubilant, happy, joyous.”
Farulf (Scandinavian): Derived from the Ancient Germanic root fara (journey), Gothic root faran (to travel), or Langobardic fara (family, kind, line), and the Ancient Germanic root wulf (wolf). This is also the Old Swedish form of the Old Norse Farulfr, in which case it would be derived from Old West Norse root fara (to travel, go), and related to Old Icelandic far (passage, ship).
Fasti (Danish): Derived from Old Norse root fast (firmly, fast).
Ferrand (French, Occitan, Provençal): Form of Ferdinand, which derives from an Ancient Germanic name with roots fardi (journey) and nand (brave, daring). The Medieval Italian, Spanish, and Aragonese form was Ferrando.
Filimor (Anglo–Norman): “Very famous,” from Ancient Germanic elements filu (very, much) and meri (famous).
Freidank (German): “Free thought,” from roots frei and dank.
Frosti (Danish): Derived from Old Norse root frost (which means the same as it does in English). This is the name of a dwarf in Norse mythology. The name is still used in modern Icelandic.
Falcona (Spanish): “Falcon,” from Old High German falco.
Faoiltighearna (Irish): “Wolf lady,” from roots faol and tighearna.
Fatyan (Moorish Arabic): “Seduction.”
Fazila (Arabic): “Generosity, grace
Fina (Occitan): Derived from Old French root fin (tender, delicate).
Fiva (Russian, Slavic): Form of Greek name Thebe.
Floria (English): Feminine form of Latin name Florius, which in turn derives from Florus (flower). The Medieval French form was Florie.
Frederuna (German): Older form of Friderun, derived from Old High German root fridu (peace) and Gothic root rûna (secret).
Fressenda (English): Older form of Frideswide, which descends from the Old English Friðuswiþ. Its roots are friþ (peace) and swiþ (strong).