Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
лістапад
←
Czech
listopad
(cognate)
←
Polish
listopad
(cognate)
←
Ukrainian
листопа́д
(cognate)