Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Bokmål
førti
←
Old Norse
fjórir tigir
(derived)
←
Old Norse
fjórutigi
(mention)
→
Norwegian Bokmål
førtiende
(suffix)
→
Norwegian Bokmål
førtini
(affix)