Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
roleg
←
Old Norse
róligr
(derived)
→
Norwegian Nynorsk
uroleg
(prefix)
→
Swedish
rolig
(cognate)