Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
agn
←
Proto-Germanic
*aganō
(inherited)
←
Proto-Germanic
*ahanō
(mention)
←
Norwegian Nynorsk
ogn
(mention)
←
Norwegian Nynorsk
ogn
(alter)
←
Old Norse
agn
(inherited)
←
Old Norse
ǫgn
(inherited)
←
Old Norse
agnir
(mention)