Reconstructions

PWS
*ḳurḥ-at- - baldness (SED I No. 38ᵥ; Kogan 2011: 230)
PWS
*ḳVr(Vl)l- - kind of bird (SED II No. 136)
The Common Semitic origin is not fully reliable
PWS
*ḳrp - to scratch off (Kogan 2015: 562)
PWS
*ḳVrp- - bark (Kogan 2015:37)
likely related to PS *ḳVlp-at- - bark
PWS
*ḳrr - cold (Fronzaroli 1965a: 142, 147, 150; Kogan 2011: 195; Kogan 2015: 38, HALOT 1127, 1149, CDG 443)

For a close semantic parallel outside this root cf. Akk. kaṣâtu ‘morning coolness, morning’ (CAD K 263, AHw. 458) < kaṣû ‘to be cold.’

PWS
*ḳsm - to practice divination (Kogan 2015: 119)
PWS
*ḳṣr - to be short (Kogan 2015: 125)
is uncertain whether Gez. ḳaṣara ‘to enclose with a wall, to blockade, to delimit’ is related to this root
PWS
*ḳŝr - to peel (CDG 448)
PWS
*ḳVṣVm-, *ḳVmVṣ-/*ḳamṣ- - a kind of harmful insect (SED II Nos. 131, 139; Kogan 2011: 213)
PWS
*ḳṣp - to break (Kogan 2015:237)