Portuguese regular

← Latin rēgulō (borrowed)

← Portuguese irregular (link)

← Portuguese regularmente (link)

← Portuguese regrar (doublet)

→ Portuguese regularidade (suffix)

→ Portuguese desregular (prefix)

→ Portuguese regularmente (affix)

→ Portuguese regulador (affix)

→ Portuguese regulação (suffix)

→ Portuguese regulamento (suffix)

→ Portuguese regularizar (affix)

→ Portuguese regrar (mention)