(きょうれつな) Intense, furious:close to 激しい (はげしい, meaning extreme: a punch, a violent speech. Emphasizes the extent of emotion invested in it.
(もうれつな) Severe, violent, terrible, fierce – usually used about natural phenomena:a fierce storm; a violent wild-fire. The toboggan moving at a scary intense velocity downhill. Also can be used with emotions:A violent argument after someone got caught cheating.