Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
-ope
→
Esperanto
unuopa
(affix)
→
Esperanto
kvaropa
(affix)
→
Esperanto
duope
(affix)
→
Esperanto
triope
(affix)
→
Esperanto
kvarope
(affix)
→
Esperanto
kvinope
(affix)
→
Esperanto
unuope
(affix)
→
Esperanto
unuopulo
(affix)
→
Esperanto
duopa
(affix)