Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
хло́пець
→
Belarusian
хлопец
(cognate)
→
Russian
хлопец
(borrowed)
→
Ukrainian
хлопчик
(suffix)