oddball vs flake

oddball and flake both are nouns.

Word	Noun	Adjective	Verb	Adverb
oddball	Yes	No	No	No
flake	Yes	No	Yes	No

As nouns, oddball and flake are synonyms defined as:

Other synonyms of oddball include eccentric, eccentric person, geek.

oddball (noun)	flake (noun)
a person with an unusual or odd personality	a small fragment of something broken off from the whole
	a person with an unusual or odd personality
	a crystal of snow

oddball (verb)	flake (verb)
	come off in flakes or thin small pieces
	cover with flakes or as if with flakes
	form into flakes