Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
wiek
←
Proto-Slavic
*věkъ
(inherited)
→
Polish
średniowiecze
(affix)
→
Polish
długowieczny
(affix)
→
Polish
wiekopomny
(affix)
→
Polish
wiekowy
(affix)
→
Polish
ćwierćwiecze
(affix)
→
Polish
podwiek
(affix)
→
Polish
wieczysty
(suffix)