Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
cirkum
←
Latin
circum
(borrowed)
→
Ido
cirkumirar
(prefix)
→
Ido
cirkumpola
(prefix)
→
Ido
cirkum-
(mention)
→
Ido
cirkumajo
(suffix)