Which one is correctly spelt?

Mischievous (Adjective) means causing or intended to cause harm or trouble.
Synonym: Malicious, malevolent, hostile, spiteful, bitter, venomous, poisonous, evil-intentioned, ill-natured, evil, baleful, vindictive, vengeful, vitriolic, rancorous, malign, malignant, pernicious, mean, nasty, harmful, hurtful, destructive, wounding, cruel, unkind, defamatory.