Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
custodiar
←
Italian
custodire
(cognate)
←
Latin
custōdiō
(cognate)
←
Portuguese
custódia
(affix)
←
Portuguese
-ar
(affix)