Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
malme
←
Proto-Germanic
*malmaz
(inherited)
←
Proto-Indo-European
*melh₂-
(root)
←
Norwegian Nynorsk
malm
(doublet)
←
Old Norse
malmr
(inherited)
→
Norwegian Nynorsk
malm
(doublet)