abnormality vs freakishness

abnormality and freakishness both are nouns.

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

As nouns, abnormality and freakishness are synonyms defined as:

abnormality and freakishness: marked strangeness as a consequence of being abnormal

abnormality (noun)	freakishness (noun)
behavior that breaches the rule or etiquette or custom or morality	marked strangeness as a consequence of being abnormal
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