Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ἄχρηστος
←
Ancient Greek
ἀ
(prefix)
←
Ancient Greek
χρηστός
(prefix)
→
Greek
άχρηστος
(inherited)