Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Catalan ferro
← Latin ferrum (inherited)

→ Catalan ferri (link)
→ Catalan ferrocarril (compound)
→ Catalan aferrar (affix)
→ Catalan ferrar (suffix)
→ Catalan ferralla (suffix)
→ Catalan ferrós (affix)
→ Catalan fèrric (affix)
→ Catalan ferroll (mention)
→ Spanish hierro (cognate)