Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
продавець
←
Belarusian
прадаве́ц
(cognate)
←
Russian
продаве́ц
(cognate)
←
Ukrainian
продава́ти
(affix)
←
Ukrainian
-ець
(affix)