Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Silesian
piestrzyń
←
Kashubian
piestrzéń
(cognate)
←
Polish
pierścień
(cognate)
←
Proto-Slavic
*pьrsty
(inherited)