Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Hladki
←
Belarusian
гладкі
(derived)
←
Czech
hladký
(derived)
←
Upper Sorbian
hładki
(derived)
←
Slovak
hladký
(derived)
←
Ukrainian
гладкий
(derived)