Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
ǫrk
→
Danish
ark
(inherited)
→
Finnish
arkku
(cognate)
→
Norwegian Bokmål
ark
(inherited)
→
Norwegian Nynorsk
ark
(derived)