Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
ártico
←
Ancient Greek
ἀρκτικός
(derived)
←
Ancient Greek
ἄρκτος
(mention)
←
Latin
arcticus
(derived)