Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
Óttarr
→
Old English
Ohthere
(cognate)
→
Faroese
Ottar
(inherited)
→
Faroese
Óttar
(inherited)
→
Norwegian
Ottar
(inherited)