Reconstructions

PS
*ˀarbaˁ- - four (Kogan 2009: 73)
PS
*ˀarḫ- - cow, heifer (SED II No. 12, Fron. VI 30, DRS 32)
PS
*ˀrk - to be long (Nöldeke 1886:724, DRS 33)
PS
*ˀarm-, *ˀarn- - wild goat (SED II No. 18, DRS 33)
PS
*ˀarnab(-at)- - hare (SED II No. 14, Fron. V 294, DRS 33)
PS
*ˀarVr- - kind of bird (SED II No. 15)
PS
*ˀarṣ̂- - earth (HALOT 90; Fronzaroli 1965a: 136, 144; Kogan 2011: 189; Kogan 2015: 30)
PS
*ˀVrāw­, *wVrāˀ­ - back (SED I No. 10)
PS
*ˀarwiy- - (wild) goat gazelle (SED II No. 18, Dolgopolsky 2004: 417)
PS
*ˀiš(-āt)- - fire (Fronzaroli 1965a: 138, 145, 149; Kogan 2011: 194–195; Kogan 2015: 39; HALOT 92, CDG 44)