Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
praznik
←
Russian
праздник
(cognate)
←
Proto-Slavic
*prazdĭnikŭ
(derived)
→
Romanian
praznic
(cognate)