Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
năuc
←
Bulgarian
неук
(cognate)
←
Macedonian
неук
(cognate)
←
Serbo-Croatian
neuk
(cognate)
←
Serbo-Croatian
nieuk
(cognate)
←
Proto-Slavic
*neukъ
(borrowed)
←
Proto-Slavic
*učiti
(mention)
→
Romanian
năucie
(suffix)