Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
kakar
←
German
kacken
(borrowed)
←
English
cack
(borrowed)
←
Spanish
cagar
(borrowed)
←
French
caca
(borrowed)
←
Italian
cacare
(borrowed)
←
Latin
cacāre
(derived)
←
Latin
cacō
(mention)