Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
gerr
→
Westrobothnian
gjer
(cognate)
→
Icelandic
ger
(inherited)
→
Icelandic
ger
(inherited)
→
Icelandic
ger
(inherited)
→
Norwegian Nynorsk
gjer
(derived)