Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Ruprecht
→
German
Robert
(mention)
→
German
Knecht Ruprecht
(mention)
→
Icelandic
Hróbjartur
(cognate)