Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
frekna
←
Danish
fregne
(cognate)
←
Faroese
frøkna
(cognate)
←
Norwegian Bokmål
fregne
(cognate)
←
Old Norse
frekna
(inherited)
←
Swedish
fräkne
(cognate)
→
Icelandic
freknóttur
(affix)