Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
concilio
←
Proto-Indo-European
*kelh₁-
(root)
←
Latin
concilium
(affix)
←
Latin
-ō
(affix)