regla
ruler
regular
regular
Regla means ruler and is related to the English word regular0, as both involve rules and measurements0.
noun
- rulerA straight edge used for drawing lines or measuring distancesNecesito una regla para dibujar una línea recta. // I need a ruler to draw a straight line.
- ruleA principle or regulation governing conduct or procedureEs importante seguir las reglas del juego. // It's important to follow the rules of the game.