Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
пе́пел
→
Lower Sorbian
popjeł
(cognate)
→
Russian
пепелище
(affix)
→
Russian
пепельный
(affix)