Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
koquar
←
German
kochen
(borrowed)
←
English
cook
(borrowed)
←
Spanish
cocer
(borrowed)
←
French
queux
(borrowed)
←
Italian
cuocere
(borrowed)
←
Latin
coquere
(borrowed)
←
Latin
coquō
(mention)
←
Russian
ку́хня
(borrowed)
→
Ido
koquero
(affix)
→
Ido
koqueyo
(affix)