• xareworn,
• vareworn,
• fareworn,
• dareworn,
• czreworn,
• csreworn,
• cwreworn,
• cqreworn,
• caeeworn,
• cadeworn,
• cafeworn,
• careeworn,
• caredworn,
• carreworn,
• carworn,
• carweorn,
• careowrn,
• carewron,
• careworrn,
• waerworn

• crown,
• car horn,
• crowing,
• crayon,
• carry on.

The adjective form of the word "careworn" is "careworn".

The plural form of "careworn" remains the same, as it is an adjective and does not change when used with a plural noun.

The singular form of the word "careworn" is "careworn". It is an adjective that describes someone who appears tired, weary or full of worry due to long-term stress or concern. The term does not have a distinct singular or plural form.