Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
čekati
←
Proto-Slavic
*čekati
(inherited)
→
Bulgarian
чакам
(mention)
→
Serbo-Croatian
ček
(mention)
→
Serbo-Croatian
sačekati
(prefix)
→
Serbo-Croatian
dočekati
(prefix)