Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
barata
←
Latin
blatta
(inherited)
←
Portuguese
baratinha
(link)
←
Portuguese
baratona
(link)
←
Portuguese
baratão
(link)