孀 (w)

(shuāng) widow

孀妇 (w)

(shuāngfù) widow (formal)

孀婺 (w)

(shuāngwù) widow

孀居 (w)

(shuāngjū) to live in widowhood (formal)

孀闺 (w)

(shuāngguī) a widow's chamber (old usage)