Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
-aŕ
←
Proto-Slavic
*-ařь
(inherited)
→
Lower Sorbian
wójowaŕ
(affix)
→
Lower Sorbian
-arka
(suffix)
→
Lower Sorbian
Albanaŕ
(affix)
→
Lower Sorbian
bjachaŕ
(affix)
→
Lower Sorbian
candaŕ
(affix)
→
Lower Sorbian
rybarnik
(affix)