Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
prettur
←
English
prat
(cognate)
←
Proto-Germanic
*prattuz
(derived)
←
Old Norse
prettr
(derived)
→
English
prat
(cognate)