Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Indo-Portuguese
doiz
←
Latin
duo
(derived)
←
Portuguese
dois
(derived)
←
Portuguese
dous
(mention)
←
Old Portuguese
dous
(derived)