Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician bico
Gaulish *beccos (derived)
Proto-Celtic *bekkos (derived)
Galician picar (mention)
Latin beccus (inherited)
Old Portuguese bico (inherited)

Galician bicar (mention)
Galician bica (mention)
Galician biqueira (suffix)
Galician bicudo (suffix)