Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
забыть
←
Belarusian
забы́ць
(cognate)
←
Russian
за-
(affix)
←
Russian
быть
(affix)
←
Proto-Slavic
*zaby̋ti
(inherited)
←
Ukrainian
забу́ти
(cognate)
→
Russian
незабудка
(affix)