Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
laa
←
Galician
la
(link)
←
Latin
lāna
(inherited)
←
Old Portuguese
lãa
(inherited)
→
Galician
la
(link)
→
Portuguese
lã
(cognate)