Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
nesam
←
Proto-Slavic
*ne
(derived)
←
Proto-Slavic
*esmь
(mention)
←
Proto-Slavic
*byti
(mention)
→
Serbo-Croatian
nesu
(mention)