Words

Akkadian
puāšu - to come to an agreement (CAD P 473, AHw. 875)
No definitive etymology can be suggested
Akkadian
pudru - dung (CAD P 474, AHw. 884)
No definitive etymology can be suggested. Perhaps related to PCS *pidr- ‘(piece of) fat, meat’ in spite of the semantic difference.
Akkadian
puglu - radish (CAD P 476, AHw 875)
Akkadian
pūgu - a net (CAD P 476, AHw. 875)
No etymology can be suggested.
Akkadian
puḫādu - lamb, young male sheep (CAD P 476, AHw. 875)

Cf. Ugr. pḫd ‘a yearling lamb’ (Kogan 2015: 341).

Akkadian
puḫālu - stud, breed animal (CAD P 479, AHw. 875)
Akkadian
puḫḫu - to exchange (CAD P 482, AHw. 876)
Derived words: pāḫu ‘substitute’ (CAD P 20, AHw. 877); pūḫu ‘substitute’ (CAD P 496, AHw. 877); pūḫtu ‘substitute’ (CAD P 493, AHw. 877).
No definitive etymology can be suggested as no suitable Semitic parallels have been detected.
Akkadian
puḫpuḫḫû - quarrel, strife, contention (CAD P 484, AHw. 876)
No definitive etymology can be suggested, perhaps onomatopoeic.
Akkadian
puḫpuḫu - (a plant, probably purslane) (CAD P 485, AHw. 876, EDA I 122)
Var.: purupuḫu, purpuḫini. For a possible etymology, see EDA I 122.
Akkadian
puḫru - (a tool) (CAD P 493, AHw. s.v. puḫtu(m))
No etymology can be suggested. The word in question possibly also occurs as piḫru in an early version of Hh (III lex).