Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
anteontem
←
Galician
antonte
(cognate)
←
Portuguese
ante
(prefix)
←
Portuguese
ontem
(prefix)
→
Galician
antonte
(cognate)