Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
przez
←
Proto-Slavic
*perz
(inherited)
→
Lower Sorbian
pśez
(cognate)
→
Upper Sorbian
přez
(cognate)
→
Polish
poprzez
(affix)