Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
засидеться
←
Belarusian
засядзецца
(cognate)
←
Russian
за-
(affix)
←
Russian
сиде́ть
(affix)
←
Russian
-ся
(affix)
←
Ukrainian
засидітися
(cognate)