Words

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)
Arabic
škr - to recompense, to reward one’s work (Lane 1584)
Arabic
škw - to complain (Lane 1589)
Arabic
šmḫ - to be high, lofty (Lane 1595)
Arabic
šml - to cover, to envelop (Lane 1599)