Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
počinak
←
Bulgarian
почивка
(cognate)
←
Serbo-Croatian
po-
(affix)
←
Proto-Slavic
*čiti
(derived)
←
Proto-Slavic
*činǫti
(mention)
→
Serbo-Croatian
otpočinak
(prefix)