Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
saman
←
Proto-Germanic
*samanai
(inherited)
←
Proto-Indo-European
*sem-
(root)
→
Westrobothnian
haark
(mention)
→
Norwegian Bokmål
sammen
(derived)
→
Norwegian Nynorsk
saman
(derived)
→
Swedish
samman
(derived)