Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Bavaria
→
Greek
Βαυαρία
(borrowed)
→
Greek
Βαβαρία
(borrowed)
→
Latin
Bavarus
(cognate)
→
Latin
Boihaemum
(mention)