Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
oponent
←
German
Opponent
(borrowed)
←
Latin
oppōnēns
(derived)
→
Polish
oponentka
(suffix)
→
Ukrainian
опонент
(cognate)