Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
wałek
←
Polish
wał
(suffix)
←
Polish
ek
(suffix)
←
Proto-Slavic
*valъ
(inherited)
→
Polish
wałeczek
(suffix)
→
Polish
wałkować
(suffix)