Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
sík
→
English
sike
(derived)
→
Icelandic
síki
(inherited)
→
Norwegian Bokmål
sik
(inherited)
→
Norwegian Nynorsk
sik
(inherited)