Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
tapar
←
Proto-Germanic
*tappô
(derived)
←
Galician
tapa
(mention)
←
Old Portuguese
tapar
(inherited)
→
Galician
tapada
(mention)