Words

Arabic
faḫiḏ- - thigh; the smallest subdivision of a tribe (Lane 2349, BK 2 552)
Also faḫḏ-, fiḫḏ-.
Arabic
fakk- - joint connecting the two jaws; part of a mouth comprising both jaws (BK 2 624)
Cf. also fanik- ‘endroit où les deux mâchoires se joignent; endroit de la bouche compris entre la lèvre inférieure et le menton à la naissance de la barbe’ [BK 2 639] (with a secondary -n-?).
Arabic
fkh - to be cheerful, happy, free from straitness (Lane 2432)

Probably compare with Akk. nepelkû, napalkû ‘to be wide’. 

Arabic
fākihat- - fruit (Lane 2433)
Arabic
fkr - to think (Lane 2431)
Arabic
fīl- - elephant (BK 2 655, Lane 2474)
Arabic
filfil-, fulful- - pepper (Lane 2434)
Arabic
flḥ - to plow, to cultivate (Lane 2438)
Arabic
flḥ - to cleave, to split (Lane 2438)
Arabic
fll - to break, to notch; to depart and then return (Lane 2433)