Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
ducho
←
Spanish
duecho
(mention)
←
Spanish
docto
(doublet)
←
Latin
doctus
(inherited)
←
Latin
ductus
(mention)
→
Spanish
docto
(doublet)
→
Galician
adoito
(cognate)
→
Galician
doito
(cognate)