Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
krucumi
←
Esperanto
kruco
(suffix)
←
Esperanto
-um-
(suffix)
←
Esperanto
-i
(suffix)
→
Esperanto
krucumado
(suffix)
→
Ido
krucumar
(cognate)