Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
chada
←
Sãotomense
xada
(borrowed)
←
English
plain
(link)
←
Latin
*planātam
(inherited)
←
Latin
*planātus
(mention)