Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
åbne
←
Danish
åben
(mention)
←
German
öffnen
(cognate)
←
English
open
(cognate)
←
Proto-Germanic
*upanōną
(inherited)
←
Proto-Germanic
*upanaz
(mention)
←
Old Danish
opnæ
(inherited)
←
Old Norse
opna
(inherited)
→
English
open
(cognate)