Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese regra
← Spanish regla (cognate)
← Latin rēgula (borrowed)
← Portuguese relha (doublet)
← Portuguese régua (mention)

→ Spanish regla (cognate)
→ Italian regola (cognate)
→ Portuguese régua (mention)
→ Portuguese relha (doublet)
→ Portuguese regrar (suffix)