Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
starożytny
←
Belarusian
старажы́тны
(cognate)
←
Polish
staro-
(affix)
←
Polish
życie
(affix)
←
Polish
-ny
(affix)
→
Belarusian
старажытны
(cognate)
→
Polish
starożytność
(affix)