Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
flynder
←
German
Flunder
(cognate)
←
English
flounder
(cognate)
←
Proto-Germanic
*flunþrijǭ
(derived)
←
Old Norse
flyðra
(derived)
→
English
flounder
(cognate)