Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
tréma
←
Ancient Greek
τρῆμα
(borrowed)
→
English
trema
(borrowed)
→
Polish
trema
(borrowed)
→
Portuguese
trema
(borrowed)
→
Romanian
tremă
(borrowed)
→
Serbo-Croatian
trema
(derived)