Words

Akkadian
adi - up to, as far as; until, up to (connoting time); concerning, as to (CAD A₁ 115, AHw. 12)
Also adu, gadu, ḳаdu, ḫadu, ad. The background of variants with initial ḳ and g is difficult to establish.
GAG § 114 j analyzes adīni and adīšu as lexicalized combinations of adi and pronominal suffixes.
Akkadian
adīni - until now; not yet (CAD A₁ 125, AHw. 13)
It is hard to avoid thinking that adīni ‘until now; not yet’, has something to do with PWS *ˁād- ‘(he is) still’ also in terms of etymology (Kogan 2015: 76).
Akkadian
adīšu - meanwhile, until then (CAD A₁ 128, AHw. 13)
Akkadian
adru - threshing floor (CAD A₁ 129)
specifically Assyrian word (Kogan 2006c: 180)
Akkadian
agāmu - to be angry (CAD A₁ 142)

Also uggumu ‘angry’ (CAD U 39), tēgimtu ‘anger, wrath’ (CAD T 324).

Akkadian
aḫannā - this side, the nearer shore or bank (CAD A₁ 169, AHw. 18)
The word occurs in Neo-Babylonian, Late Babylonian, and Standard Babylonian only.
Akkadian
aḫātu - sister (CAD A₁ 195, AHw. 18)
Akkadian
aḫu - brother (CAD A₁ 195, AHw. 21)
Akkadian
aḫu - arm; side (CAD A1 205, AHw. 21)
Akkadian
aḫullā - beyond, on the other shore or bank (CAD A₁ 215, AhW. 23)
The word occurs in Neo-Babylonian, Late Babylonian, Standard Babylonian, and Neo-Assyrian only.