Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*-itъ
→
Belarusian
пярэсты
(mention)
→
Polish
-ysty
(inherited)
→
Russian
-истый
(inherited)