illegitimate vs left-handed

illegitimate is a noun but left-handed is not a noun.

Word	Noun	Adjective	Verb	Adverb
illegitimate	Yes	Yes	No	No
left-handed	No	Yes	No	No

illegitimate (noun)	left-handed (noun)
the illegitimate offspring of unmarried parents

illegitimate (adjective)	left-handed (adjective)
of marriages and offspring; not recognized as lawful	using or intended for the left hand
contrary to or forbidden by law	ironically ambiguous
	rotating to the left
	lacking physical movement skills, especially with the hands
	(of marriages) of a marriage between one of royal or noble birth and one of lower rank; valid but with the understanding that the rank of the inferior remains unchanged and offspring do not succeed to titles or property of the superior
	(of marriages) illicit or informal