Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
soppr
→
Westrobothnian
sapp
(inherited)
→
Icelandic
sveppur
(mention)
→
Icelandic
svampur
(mention)
→
Norwegian Nynorsk
sopp
(inherited)