Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
отруїти
←
Belarusian
атруці́ць
(cognate)
←
Polish
otruć
(cognate)
←
Ukrainian
о-
(affix)
←
Ukrainian
труї́ти
(affix)