Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
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продава́ть
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Belarusian
прадаваць
(cognate)
→
Russian
продавец
(affix)
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Russian
продаваться
(affix)