Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Ido kontar
German Konto (borrowed)
English count (borrowed)
Spanish contar (borrowed)
French compter (borrowed)
Italian contare (borrowed)
Latin computāre (derived)
Latin computō (mention)

Ido konto (suffix)
Ido kontado (affix)