Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
ni
←
Proto-Germanic
*newun
(inherited)
←
Proto-Indo-European
*h₁néwn̥
(inherited)
←
Old Norse
níu
(inherited)
→
German
neun
(cognate)
→
Faroese
níggju
(cognate)
→
Icelandic
níu
(cognate)
→
Norwegian Bokmål
ni
(cognate)
→
Swedish
nio
(mention)