Words

Arabic
skt - to be silent (Lane 1389)
Arabic
silˁ- - a like, a fellow (Lane 1407)
Arabic
sulaˁ- - leprosy (BK I 1124)
Arabic
ˀaslaˁ- - leper, who has scaly skin (BK I 1125)

The by-form with γ in Arb. permits an alternative reconstruction with *γ as the third radical since the rest of the languages do not distinguish between the reflexes of *ˁ and *γ.

Arabic
sulaḥfā, sulḥafā - turtle (BK 1 1120, Lane 1403)
Arabic
salḫ- - skin or hide that is stripped off (BK 1 1121, Lane 1404)
Arabic
silkānat- - young one of partridge (BK 1 1129, Lane 1412, TA 27 206)
In Lane and TA also sulak-
Arabic
salīl- - child, male offspring (BK 1 1117, Lane 1397)
Arabic
slm - II. to greet, IV. to give, deliver; to resign, submit oneself (Lane 1412)
Arabic
salan - thin skin, in which is the fœtus (BK 1 1133, Lane 1418)