Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
zarz
←
Lower Sorbian
rza
(mention)
←
Proto-Slavic
*zarъďь
(inherited)
←
Proto-Slavic
*za
(mention)
←
Proto-Slavic
*rъďa
(mention)