Reconstructions

PWS
*npg - to go out (?) (Kogan 2015:376)
Cf. PArm. *npḳ ‘to go out’.
PWS
*napš- - self (Kogan 2015:94)

Throughout WS (with the exception of Ugr.) the reflexes of PS *napš- ‘souľ with pronominal suffixes are regularly used as reflexive pronouns

PWS
*nšy - to forget (Kogan 2015: 458)
PWS
*našr- - eagle (SED II No. 166; Kogan 2011: 210)
PWS
*našay- - sciatic tendon (SED I No. 201; Kogan 2011: 215)
PWS
*nwp - to swing (Kogan 2015:566)

The meaning of Akk. nâpu, translated as ‘schwanken’ in AHw. 742, is highly uncertain (cf. CAD N₁ 327) which makes its comparison rather problematic (Kogan 2015:566).

PWS
*nyˀ - to be raw (Kogan 2015: 94)
PWS
*pa- - then (DUL 646)
PWS
*pˀm - to be fat (EDA I 136)
PWS
*pVˀw/y(-at)- - genital organ (SED I No. 206)
Problematic: scarce attestation only in Arb. and Eth.; meanings rather diverse.