PS

*ḏVnVm-/ḏVnVn- - rain (DRS 336; Kogan 2011: 193–194)

Akkadian
zanānu - to rain (CAD Z 41, AHw. 1509)

Cf. zunnu 'rain' (AHw. 1537).

Hebrew
zäräm - rain (HALOT 281; Kogan 2011: 194)

may be related with dissimilation

Sabaic
ḏnm - rain (SD 39; Kogan 2011: 193)
Geez
zanma, zənām - rain (CDG 641; Kogan 2011: 193–194)
Tigre
zəlam - rain (WTS 494)
Tigrinya
zənab - rain (TED 1996)
Amharic
zənab - rain (AED 1649)
Harari
zənāb - rain (EDH 166)
Soddo
zənab - rain (EDG 710)