Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
seli
←
Proto-Germanic
*silô
(inherited)
←
Old Norse
sili
(alter)
→
Norwegian Bokmål
sele
(derived)
→
Norwegian Nynorsk
sele
(derived)