Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*ěrъ
→
Serbo-Croatian
jara
(mention)
→
Serbo-Croatian
jarost
(mention)
→
Serbo-Croatian
јара
(mention)