Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Basque
kuku
←
Catalan
cucut
(cognate)
←
English
cuckoo
(cognate)
←
Spanish
cuco
(cognate)
←
Dutch
koekoek
(cognate)
←
Russian
кукушка
(cognate)
→
Basque
kuku-porru
(compound)