Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
brȅza
→
Upper Sorbian
brěza
(cognate)
→
Serbo-Croatian
brezov
(mention)
→
Serbo-Croatian
brezovac
(mention)