Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
komo
←
German
Komma
(derived)
←
English
comma
(derived)
←
Esperanto
komo
(derived)
←
Spanish
coma
(derived)
←
Ancient Greek
κόμμα
(derived)
←
Latin
comma
(derived)