Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
wiedzieć
←
Proto-Indo-European
*wóyde
(mention)
←
Proto-Indo-European
*weyd-
(mention)
←
Proto-Slavic
*věděti
(inherited)
←
Proto-Slavic
(mention)
←
Old Polish
wiedzieć
(inherited)
→
Polish
świadek
(mention)
→
Polish
wiadomy
(suffix)
→
Polish
Niewiedział
(mention)
→
Polish
wiedzenie
(suffix)
→
Polish
bezwiedny
(affix)