Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
laviță
←
Bulgarian
лавица
(borrowed)
←
Czech
lavice
(cognate)
←
Polish
ławka
(cognate)
←
Russian
лавка
(cognate)
←
Proto-Slavic
*lava
(derived)