Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
tortugo
←
English
turtle
(derived)
←
Spanish
tortuga
(derived)
←
French
tortue
(derived)
←
Italian
tartaruga
(derived)