Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
átono
←
Ancient Greek
ἄτονος
(derived)
←
Ancient Greek
ἀ-
(mention)
←
Ancient Greek
τόνος
(mention)