Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Polish
dzińsia
←
Proto-Slavic
*dьnьsь
(inherited)
→
Polish
dzisiaj
(inherited)
→
Polish
dziś
(inherited)