Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Walloon
schôpyî
←
Proto-Indo-European
*(s)kelH-
(root)
←
Latin
scalpō
(derived)
←
Walloon
(suffix)
←
Walloon
yî
(suffix)