Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
цвето́к
→
Belarusian
кветка
(cognate)
→
Russian
цветочек
(affix)
→
Russian
цветочный
(affix)
→
Russian
цветень
(link)