Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
touzo
←
Proto-Indo-European
*tewh₂-
(derived)
←
Old Portuguese
touço
(inherited)
→
Galician
trouzo
(mention)
→
Galician
toucelo
(suffix)