Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
helsen
←
Danish
helse
(doublet)
←
Proto-Germanic
*hailisǭ
(inherited)
←
Proto-Germanic
*hailaz
(mention)
←
Old Danish
hælsæn
(inherited)
←
Old Danish
helse
(mention)
←
Old Norse
heilsa
(inherited)
←
Swedish
hälsa
(cognate)
→
Danish
hilsen
(doublet)