Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
tavão
←
Latin
tabānus
(inherited)
←
Old Portuguese
tavão
(inherited)
→
Galician
tabán
(cognate)
→
Galician
tabao
(cognate)