Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ἄγνος
→
English
agnus castus
(mention)
→
Ancient Greek
ἄγνινος
(affix)
→
Armenian
հագնի
(derived)