Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Wenzel
←
Proto-Slavic
*Vęťeslavъ
(derived)
←
Old Czech
Venceslav
(derived)
→
Czech
Vencl
(derived)
→
Faroese
Vensil
(derived)
→
Polish
Wencel
(derived)