Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
tamén
←
Spanish
también
(cognate)
←
Portuguese
também
(cognate)
←
Old Portuguese
tan ben
(inherited)
←
Old Portuguese
tan
(mention)
←
Old Portuguese
ben
(mention)
→
Portuguese
tamém
(cognate)