PS

*rˁw - to join, to put together (Kogan 2015: 456)

Akkadian
ruˀu - friend, companion (CAD R 439, AHw. 998)
Ugaritic
rˁ - friend (DUL 726)
Hebrew
rēaˁ - friend (HALOT 1253)
Arabic
ˀurˁuwwat- - yoke (Lane 1110)
Geez
ˀarˁut - yoke (CDG 459)