Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
spokojny
←
Polish
spokój
(suffix)
←
Polish
ny
(suffix)
←
Russian
споко́йный
(cognate)
→
Polish
niespokojny
(affix)