Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
pat
←
Greek
πάτος
(borrowed)
←
Latin
pactum
(inherited)
←
Romanian
păta
(mention)
←
Romanian
boteza
(mention)
→
Romanian
pătură
(mention)
→
Romanian
păta
(mention)
→
Romanian
pătuț
(suffix)
→
Romani
pato
(borrowed)