Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*popelъ
→
Lower Sorbian
popjeł
(inherited)
→
Upper Sorbian
popjeł
(inherited)
→
Polish
popiół
(inherited)
→
Rusyn
попіль
(inherited)
→
Slovak
popol
(inherited)