Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
tredive
←
Proto-Germanic
*þrīz tigiwiz
(inherited)
←
Old Danish
thretiughæ
(derived)
←
Old Norse
þrír tigir
(derived)
→
Danish
tredivte
(suffix)