Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
chardon bleu
→
Spanish
cardo azul
(cognate)
→
Basque
kardu urdin
(cognate)
→
Occitan
cardon blu
(cognate)