Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Belarusian
сон
←
Proto-Indo-European
*swep-
(root)
←
Proto-Indo-European
*supnós
(derived)
←
Proto-Slavic
*sъ̀nъ
(inherited)
→
Belarusian
сонны
(affix)