Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
sem
←
Proto-Germanic
*samaz
(derived)
←
Old Swedish
som
(link)
←
Proto-Indo-European
*sem-
(root)
←
Norwegian Nynorsk
sum
(link)
←
Old Norse
som
(alter)
←
Old Norse
sum
(alter)
→
Danish
som
(inherited)
→
Faroese
sum
(inherited)
→
Westrobothnian
sem
(inherited)
→
Icelandic
sem
(inherited)
→
Norwegian Nynorsk
som
(derived)
→
Swedish
som
(derived)