Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*-inъ
→
Czech
-in
(inherited)
→
Lower Sorbian
prozniny
(mention)
→
Macedonian
гостин
(mention)
→
Russian
-ин
(inherited)