What is the noun for worried?

The Word worried is the past participle of the verb to worry; the past participle of the verb is also an adjective. Examples:

verb: We were worried that my parents might get caught in the storm.

adjective: Their worried faces turned to smiles as mom and dad drove up.

The Word worry is also a noun, a singular, common, abstract noun; a Word for a cause of anxiety; state of anxiety and uncertainty over actual or potential problems. Examples:

verb: I often worry whether I've done the right thing.

noun: At the McKinley Grand Hotel we take the worry out of your wedding plans.