Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ukrainian
незнайомець
←
Belarusian
незнаёмец
(cognate)
←
Russian
незнако́мец
(cognate)
←
Ukrainian
незнайо́мий
(affix)
←
Ukrainian
-ець
(affix)