Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
zdroj
←
Polish
zdrój
(borrowed)
←
Proto-Slavic
*jьzrojь
(derived)
→
Czech
zdrojový
(suffix)
→
Czech
rojník
(mention)