Words

Arabic
šafat- - lip (Lane 1574)
Arabic
šhd - to witness (Lane 1609)
Arabic
šahr- - the new moon, when it appears (Lane 1612)
Arabic
šaḥuma - to be fat (Lane 1513)
Arabic
šḥw - to open one’s mouth (Lane 1514)
Arabic
šaḫb- - milk coming forth from the udder (Lane 1515)

Could be acceptable as a cognate for Proto-MSA *ŝVḫāp- ‘milk’ in spite of the irregular b.

Arabic
šaḥm- - fat (BK 1 1199, Lane 1513)
Arabic
škk - to pierce with the spear (Lane 1582)
Arabic
škl - to bind the beast with the rope called šikāl, (III) to be comfortable, suitable, similar, congenial (Lane 1586)

See the discussion under Soq. miŝkéḷo ‘three stones supporting a cooking pot’.

Arabic
šakl- - likeness, resemblance (Lane 1586)