Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
hróðr
→
Old English
hreþ
(cognate)
→
Norwegian
Roald
(mention)
→
Old Norse
Hrólfr
(cognate)