Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
так
←
Belarusian
так
(cognate)
←
Polish
tak
(cognate)
←
Proto-Slavic
*tako
(inherited)
→
Belarusian
так
(cognate)
→
Polish
tak
(cognate)
→
Russian
так
(cognate)