Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
píka
←
Danish
pige
(cognate)
←
Old Norse
píka
(inherited)
←
Swedish
piga
(cognate)
→
Westrobothnian
pia
(cognate)
→
Icelandic
afturbatapíka
(compound)
→
Swedish
piga
(cognate)