Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
sika
←
Proto-Indo-European
*seyk-
(derived)
←
Ido
sekar
(mention)
←
Latin
siccus
(derived)
→
Ido
sikijar
(suffix)
→
Ido
sikeskar
(suffix)