Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
чацвёрты
←
Old East Slavic
четвьртъ
(inherited)
←
Polish
czwarty
(cognate)
←
Proto-Slavic
*četvьrtъ
(inherited)
←
Ukrainian
четве́ртий
(cognate)