Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
булава
←
Czech
boule
(cognate)
←
Polish
bula
(cognate)
←
Serbo-Croatian
бу́љити
(cognate)
←
Slovene
búla
(cognate)
←
Proto-Slavic
*bula
(inherited)
←
Ukrainian
булава́
(doublet)