Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*ȗxo
→
Old Church Slavonic
оухо
(inherited)
→
Lower Sorbian
wuchac
(mention)
→
Polabian
vaux’ü
(inherited)