Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
forklare
←
Danish
klar
(mention)
←
Middle Low German
vor-
(mention)
←
Middle Low German
klar
(mention)
←
Low German
vorklaren
(derived)
→
Swedish
förklara
(cognate)