Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
ur-word
←
German
Urwort
(cognate)
←
English
ur
(prefix)
←
English
word
(prefix)
←
Dutch
oerwoord
(cognate)