Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
sapono
←
Spanish
jabón
(derived)
←
French
savon
(borrowed)
←
Proto-Germanic
*saipǭ
(derived)
←
Italian
sapone
(derived)
←
Latin
sāpōnem
(derived)
←
Latin
sāpō
(mention)