Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician longo
Proto-Indo-European *dl̥h₁gʰós (inherited)
Latin longus (inherited)
Old Portuguese longo (inherited)

English long (cognate)
Galician alongar (affix)
Galician Longo (mention)
Galician rabilongo (mention)
Galician longueirón (affix)