Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
walka
←
Old Czech
válka
(borrowed)
→
Czech
válka
(cognate)
→
Polish
bój
(link)
→
Polish
waleczny
(suffix)