Words

Arabic
fˀw - to split, to cleave (Lane 2326)
Arabic
faˀwā- - glans penis (BK 2 531)
Arabic
faˁfaˁ- - chevreau (kid) (BK 2 614)
Arabic
fˁl - to do; to make (Lane 2420)
Arabic
fˁm - to be full (of forearm, vessel); to be full-formed, thick (of woman) (BK 2 615, Lane 2421)

probably related

Arabic
faḥl- - stallion, male animal used for fecundation (BK 2 549, Lane 2345)
Arabic
farḍ- - a thing made obligatory or binding by God (Lane 2374)
Arabic
faddān- - a team of plowing oxen; plough (Lane 2353)

This term is borrowed from Aramaic, see PArm *paddān ‘plow, yoke’.

Arabic
fudurr- - a fat, plump boy; boy that has nearly attained to puberty (BK 2 555, Lane 2352)
Arabic
fḍḍ - to break asunder (Lane 2408)