Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
rzeka
←
Proto-Indo-European
*h₃reyH-
(mention)
←
Proto-Indo-European
*h₃er-
(mention)
←
Proto-Slavic
*rěka
(inherited)
→
Lower Sorbian
rěka
(cognate)
→
Polish
dorzecze
(affix)
→
Polish
rzeczny
(suffix)
→
Polish
przyrzeczny
(affix)
→
Polish
zarzeczny
(affix)