Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Slovene
sivec
←
Slovene
siv
(affix)
←
Slovene
-ec
(affix)
→
Serbo-Croatian
sivac
(cognate)