Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
regar
←
Latin
rigāre
(inherited)
←
Latin
rigō
(mention)
→
Portuguese
rego
(mention)
→
Portuguese
regador
(suffix)