Words

Akkadian
puttu - ruler (CAD P 546, AHw. 884)
No etymology can be suggested.
Akkadian
puttû - (to decorate with an ornament) (CAD P 546, AHw. 884)
Denominal, cf. pitû ‘spacer bead’.
Akkadian
puttû - (mng. uncert.) (CAD P 546)
Or buttû. Likely a D-stem adjective, but the underlying root is uncertain.
Akkadian
pūtu - forehead, front (CAD P 547, AHw. 884)
pl. pâtu < *puˀ-āt-u
Akkadian
pūtuḫu - responsibility (CAD P 553, AHw. 885)
Despite several attempts, the origin of this late lexeme is still uncertain.
Akkadian
puṭūru - (a foodstuff) (CAD P 555)
Possibly a loanword from Aramaic (Cherry 2017:210). Cf. JBA piṭṭūrā ‘fungus’, Syr. peṭṭortā ‘fungi’ (LSyr. 565). See further Arb. fuṭr- ‘a species of fungus, white and large, and deadly’ (Lane 2416), Rabb. Hbr. piṭrā ‘eine Schwammart, etwa Morcheľ (Levy 4, 32).
Akkadian
puˀˀuru - hapax (mng. uncert.) (CAD P 555, AHw. 837)
No definitive etymology can be suggested.
Akkadian
puˀˀuṣu - to appropriate, embezzle (?) (CAD P 555, AHw. s.v. paˀāṣu(m))
No definitive etymology can be suggested
Akkadian
puwatu - madder (CAD P 555)
A Ugaritic word, corresponding to the alphabetic pwt (DUL 678).
Akkadian
rabāṣu - to lie down; to be at peace; to lurk (CAD R 10; AHw. 993)