Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Conrad
←
German
Konrad
(borrowed)
←
Proto-Germanic
*kōniz
(derived)
←
Proto-Germanic
*rēdaz
(mention)
←
Icelandic
Konráð
(cognate)
←
Dutch
Koenraad
(cognate)
→
English
Conradian
(suffix)
→
Catalan
Conrad
(cognate)