Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
регіональний
←
Belarusian
рэгіяна́льны
(cognate)
←
Polish
regionalny
(cognate)
←
Russian
региона́льный
(cognate)
←
Ukrainian
регіо́н
(affix)
←
Ukrainian
-альний
(affix)