Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*esmь
→
Serbo-Croatian
nisam
(mention)
→
Serbo-Croatian
nijesam
(mention)
→
Serbo-Croatian
nesam
(mention)
→
Old Novgorodian
есмь
(inherited)