Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
bobek
←
Czech
bobek
(cognate)
←
Polish
bób
(suffix)
←
Polish
ek
(suffix)
←
Slovak
bobek
(cognate)