Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
fnykur
←
Danish
fnug
(cognate)
←
Proto-Germanic
*fnukjaz
(inherited)
←
Swedish
fnugg
(cognate)
→
Danish
fnug
(cognate)