Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
stuvagar
←
Spanish
estufar
(cognate)
←
French
étuver
(cognate)
←
Ido
stuvo
(suffix)
←
Ido
agar
(suffix)
←
Italian
stufare
(cognate)