Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
rootsi
←
Estonian
rootsi
(cognate)
←
Finnish
ruotsi
(cognate)
←
Old Swedish
*roþs-
(derived)
←
Ingrian
roottsa
(doublet)
←
Old Norse
Roþrslandi
(cognate)
→
Ingrian
roottsa
(doublet)