Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
cutelo
←
Latin
cultellus
(inherited)
←
Old Portuguese
cuitelo
(inherited)
←
Old Portuguese
coitelo
(mention)
→
Galician
coitelo
(cognate)