Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
luftkastel
←
Danish
luft
(compound)
←
Danish
kastel
(compound)
←
German
Luftschloss
(cognate)
←
Dutch
luchtkasteel
(cognate)
→
Esperanto
konstrui kastelojn en la aero
(cognate)
→
Esperanto
aerkastelo
(cognate)