abnormality vs misbehavior

abnormality and misbehavior both are nouns.

Word	Noun	Adjective	Verb	Adverb
abnormality	Yes	No	No	No
misbehavior	Yes	No	No	No

As nouns, misbehavior is a hypernym of abnormality; that is, misbehavior is a word with a broader meaning than abnormality:

abnormality: behavior that breaches the rule or etiquette or custom or morality
misbehavior: improper or wicked or immoral behavior

Other hypernyms of abnormality include misbehaviour, misdeed.

abnormality (noun)	misbehavior (noun)
behavior that breaches the rule or etiquette or custom or morality	improper or wicked or immoral behavior
marked strangeness as a consequence of being abnormal
retardation sufficient to fall outside the normal range of intelligence
an abnormal physical condition resulting from defective genes or developmental deficiencies