Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
kostny
←
Czech
kostní
(cognate)
←
Polish
kość
(affix)
←
Polish
-ny
(affix)
←
Slovak
kostný
(cognate)
→
Polish
kostnica
(affix)
→
Polish
kostniwo
(affix)
→
Polish
kostniak
(affix)