Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
custo
←
Latin
*cōstō
(mention)
←
Latin
cōnstāre
(mention)
←
Latin
cōnstō
(mention)
←
Portuguese
custar
(mention)
←
Old Portuguese
costar
(mention)
←
Old Portuguese
custar
(mention)
→
Portuguese
custoso
(affix)