Words

Akkadian
ramāku - to bathe (CAD R 111, AHw. 948)
Akkadian
ramanu (ramānu) - self (CAD R 117; AHw. 949)

Unlike WS languages, which use the reflexes of PS *napš- ‘souľ to express the meaning ‘self’, Akkadian most typically uses the word ramānu of uncertain etymology (Kogan 2015:94)

Akkadian
rammû - to forsake; to set free (CAD R 130-131)
Akkadian
râmu - to love (CAD R 137)
Akkadian
rapāšu - to be wide, broad (CAD R 153; AHw. 955)

No transparent WS cognates, but metathesis from *prŝ ‘to spread,’ well attested in Hbr. prŝ (HALOT 975) and Arb. frš (Lane 2369), but conspicuously missing from Akkadian, is perhaps a suitable solution (P. Jensen apud LSyr. 600).

Akkadian
râṣu - to come to help (CAD R 187, AHw. 972)
Cf. PWS *rwṯ̣ ‘to run’.
Akkadian
rašû - to obtain, to come into the possession of goods; to have descendants, family (CAD R 193, AHw. 961)

As plausibly suggested in HALOT, DUL and elsewhere, this root has a good chance of being related to PWS *wrṯ (*ṯ is confirmed by Sargonic). Cf. Kogan 2015: 100, 353, 413-414.

Akkadian
râšu - to rejoice (CAD R 208, AHw. 979)
Akkadian
rabāku - to decoct (AHw. 933; CAD R 8)
Akkadian
redû - to take along, escort persons; to send; to guide, control, oversee (CAD R 226)