Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
навик
←
Czech
návyk
(cognate)
←
Polish
nawyk
(cognate)
←
Russian
навык
(cognate)
←
Serbo-Croatian
навика
(cognate)
←
Proto-Slavic
*navykъ
(inherited)