Words

Akkadian
biššu - (a garden plant) (CAD B 270, AHw. 131)
No definitive etymology can be suggested.
Akkadian
bitru - (mng. uncert.) (CAD B 279)
Or pitru etc.
Akkadian
bitru - (a garment) (SAD I)
Or pitru etc. No definitive etymology can be suggested.
Akkadian
bittu - weft (CAD B 282, AHw. 871, 1548)
No definitive etymology can be suggested.
Akkadian
bītu (bētu) - house, place of dwelling (CAD B 282; AHw 132)
Akkadian
bīˀu, bību - outlet (CAD B 297, AHw. 134)

bību is Ass. Pl. bībū and bībānu. No definitive etymology can be suggested.

Was borrowed into Aramaic and, then, Arabic: JPA byb ‘underground conduit’, JBA bybˀ ‘underground conduit’, Syr. bibā ‘canaľ and Arb. bīb- ‘a course of water leading to a pooľ. A presumably related lexeme with a different vocalic and structural shape is attested in JBA bwbytˀ, bbytˀ ‘channeľ, Syr. bubyā ‘canal, aqueduct’.

Akkadian
bizazû - frog-shaped ornament (CAD B 297, AHw. 1548)
From Sum. bi₂-za-za “frog” (PSD B 149). Probably a late “learned” loanword from Sumerian.
Akkadian
bizuna - (a plant) (CAD B 297, AHw. 1548)
No etymology can be suggested.
Akkadian
barrātu - undeveloped land (?) (AHw 107)
Akkadian
buˀāˀu - to intimidate, trump, defeat (SAD 1 40, CAD: s.v. puāgu)
No definitive etymology can be suggested. Probably connected with PWS *bwḥ ‘to be powerful, to have authority’