Reconstructions

PS
*kVs(Vs)- - kind of bird of prey (SED II No. 121)
Scarcely attested, the PS status not quite reliable.
PS
*kVS- - a (mythical) aquatic reptile (SED II No. 120)
PS
*ka/iska/is-, *kVsˀw- - back, side or front part of body (of a sheep?) (SED No. 152)
A difficult case: meanings and stem patterns differ greatly.
PS
*kVsl- - lower part of the trunk, genitals (SED I No. 153; Kogan 2011: 218)
PS
*ksm - to cut, split (Fronzaroli 1969: 13; Kogan 2015: 296)
PS
*ksp - to break (HALOT 490, Kogan–Krebernik 2021b: 686)
PS
*ki(n)šād- - neck (SED I No. 147; Kogan 2011: 216)
PS
*ḳṯr - to bind (HALOT 1126, 1153)
PS
*ki/uṯ̣r- - joint (of the ribs, fingers, etc.) (SED I No. 155)
Though reconstructed as an anatomic term on the PS level, the present root is likely related to, or rather derived from, Sem. *k(ʷ)ṯ̣r ‘to bind, knot, fix’
PS
*kursVˁ- - etlock joint, tarsus (SED I No. 150, Kogan 2011: 225)