Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
хлопець
←
Czech
chlapec
(cognate)
←
Polish
chłopiec
(borrowed)
←
Russian
хло́пец
(cognate)
←
Serbo-Croatian
hlapac
(cognate)
←
Slovak
chlapec
(cognate)
←
Ukrainian
хлоп
(affix)
←
Ukrainian
-ець
(affix)