Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
fróður
←
Proto-Germanic
*frōdaz
(derived)
←
Old Norse
fróðr
(derived)
→
English
frood
(cognate)
→
Dutch
vroed
(cognate)