freakishness vs abnormality

freakishness and abnormality both are nouns.

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

As nouns, freakishness and abnormality are synonyms defined as:

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

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