Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
obicei
←
Russian
обы́чай
(cognate)
←
Serbo-Croatian
ȍbičāj
(cognate)
←
Serbo-Croatian
о̏бича̄ј
(mention)