Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Grott
←
German
Grotte
(derived)
←
French
grotte
(derived)
←
Ancient Greek
κρύπτη
(derived)
←
Italian
grotta
(derived)
←
Latin
crypta
(derived)