Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
lavação
←
Spanish
lavación
(cognate)
←
Italian
lavazione
(cognate)
←
Latin
lavatio
(derived)
←
Portuguese
lavar
(suffix)
←
Portuguese
ção
(suffix)