freak vs monstrosity

freak and monstrosity both are nouns.

Word	Noun	Adjective	Verb	Adverb
freak	Yes	No	Yes	No
monstrosity	Yes	No	No	No

As nouns, freak and monstrosity are synonyms defined as:

freak and monstrosity: a person or animal that is markedly unusual or deformed

Other synonyms of freak include lusus naturae, monster.

freak (noun)	monstrosity (noun)
a person or animal that is markedly unusual or deformed	something hideous or frightful
someone who is so ardently devoted to something that it resembles an addiction	a person or animal that is markedly unusual or deformed

freak (verb)	monstrosity (verb)
lose one's nerve