Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Church Slavonic
мѫжь
←
Proto-Slavic
*mǫžь
(inherited)
→
Bulgarian
мъж
(inherited)
→
Macedonian
маж
(derived)