Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
flo
←
English
flood
(cognate)
←
Norwegian Nynorsk
flod
(doublet)
←
Old Norse
fló
(inherited)
←
Old Norse
flóð
(inherited)
→
Norwegian Nynorsk
flø
(mention)