Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Akkadian
aḫum
←
Proto-Semitic
*ʾaḫ-
(inherited)
→
Akkadian
aḫûm
(affix)
→
Akkadian
aḫātum
(affix)