Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
southron
←
Old English
suþern
(derived)
←
Old English
suþærn
(mention)
←
Old English
ærn
(cognate)
←
English
(mention)
←
English
(mention)
←
English
southern
(doublet)
←
Old Norse
rann
(cognate)
→
English
Northron
(mention)