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