Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Demotic
pꜣ tꜣ-rsy
→
Coptic
ⲡⲁⲑⲟⲩⲣⲏⲥ
(derived)