Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Bokmål
tråkke
←
Proto-Germanic
*trudaną
(cognate)
←
Old Norse
traðka
(derived)
←
Old Norse
traðk
(mention)
←
Old Norse
traðkr
(mention)
←
Old Norse
treðja
(cognate)
←
Old Norse
troða
(cognate)
→
Norwegian Bokmål
betråkke
(prefix)