Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
tjern
←
English
tarn
(cognate)
←
Old Norse
tjarn
(derived)
←
Old Norse
tjǫrn
(mention)
→
English
tarn
(cognate)