Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
otti
←
Danish
otte
(compound)
←
Danish
ti
(compound)
←
Norwegian
åtti
(calque)
←
Old Norse
áttatigir
(derived)
←
Swedish
åttio
(derived)