Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
mijeh
←
Proto-Slavic
*měxъ
(inherited)
→
Old Church Slavonic
мѣхъ
(mention)
→
Russian
мех
(mention)