Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
penitenco
←
Spanish
penitencia
(borrowed)
←
French
pénitence
(borrowed)
←
Italian
penitenza
(borrowed)
←
Latin
paenitentia
(borrowed)
←
Portuguese
penitência
(borrowed)
→
Ido
penitencar
(suffix)