Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*rȗxъ
→
Belarusian
рух
(inherited)
→
Polish
ruch
(inherited)
→
Ukrainian
рух
(inherited)