Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Galician cu
← Latin culus (inherited)
← Old Portuguese cuu (inherited)

→ Galician ano (link)
→ Galician lucecú (compound)
→ Galician recuar (prefix)
→ Galician cueiro (suffix)
→ Galician cuada (suffix)
→ Galician cazacú (mention)
→ Galician ollo do cu (mention)