促す【うながす】
to urge, to encourage, to press, to prompt, to draw (attention to), to stimulate (e.g. growth), to hasten (e.g. development), to quicken, to accelerate, to promote
促進【そくしん】
promotion, acceleration, encouragement, facilitation, spurring on
催促【さいそく】
pressing, urging, demanding, demand
督促【とくそく】
urge, demand, importunity