Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
ovaj
←
Serbo-Croatian
kȁj
(mention)
←
Serbo-Croatian
ònāj
(mention)
←
Serbo-Croatian
tȃj
(mention)
←
Proto-Slavic
*ovъ
(derived)
←
Proto-Slavic
*jь
(mention)