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