挑発 （チョウハツ） provocation, stirring up, arousal, excitement, stimulation

挑戦 （チョウセン） challenge, defiance, dare, attempt, try

挑む （いどむ） to challenge to (a fight, game, etc.), to throw down the gauntlet, to contend for, to tackle (e.g. a problem), to attempt, to go after (a prize, record, etc.), to pressure (someone) for sex, to make advances to