Reconstructions

PS
*kVm- - articulation, joint (SED I No. 143; Kogan 2011: 215)
PS
*kamˀ-at- - a kind of mushroom (Kogan 2011: 202)
PS
*kanap- - wing (SED I No. 145; Kogan 2011: 225)
PS
*kp - to bend; to encircle (Kogan 2015: 443)

likely related is PWS *kb - to be curved

PS
*kapp- - palm (SED I No. 148, Kogan 2011: 223)

is missing only from ES

PS
*kapl- - crotch, groin (Kogan/Militarev 2002: 316–317; Kogan 2011: 218)
PS
*ka/irr- - ram (SED II No. 118)
PS
*kurāˁ- - knee and shin-bone; lower leg (of animal) (SED I No. 157, Kogan 2011: 225)
PS
*karm- - hill (Kogan 2015: 191)
PS
*kVrm- - articulation, joint (SED I No. 149; Kogan 2011: 215)