Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
студентка
←
Belarusian
студэ́нтка
(cognate)
←
Polish
studentka
(cognate)
←
Ukrainian
студе́нт
(affix)
←
Ukrainian
-ка
(affix)