aged vs worn

aged is a noun but worn is not a noun.

Word	Noun	Adjective	Verb	Adverb
aged	Yes	Yes	No	No
worn	No	Yes	No	No

aged (noun)	worn (noun)
people who are old collectively

aged (adjective)	worn (adjective)
(used of tobacco) aging as a preservative process	affected by wear; damaged by long use
of wines, fruit, cheeses; having reached a desired or final condition; (`aged' pronounced as one syllable)	showing the wearing effects of overwork or care or suffering
at an advanced stage of erosion (pronounced as one syllable)
advanced in years; (`aged' is pronounced as two syllables)
having attained a specific age; (`aged' is pronounced as one syllable)