Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lower Sorbian
rudawy
←
Lower Sorbian
ruda
(affix)
←
Lower Sorbian
-awy
(affix)
←
Proto-Slavic
*rudъ
(derived)