1. X-ray examination (< Diagnostic methods)

    https://thesaurus.ecoi.net/ec1669

  2. Xenophobia (< Discriminations and persecutions)

    https://thesaurus.ecoi.net/ec898

  3. Xhosa (< Languages)

    https://thesaurus.ecoi.net/huridocs-mt14240815190101

  4. Xhosas (< Ethnic groups and nationalities)

    https://thesaurus.ecoi.net/huridocs-mt13240815190101

  5. Xi'an (< Shaanxi)

    https://thesaurus.ecoi.net/_d7b4b361

    Capital of Shaanxi

  6. Xining (< Qinghai)

    https://thesaurus.ecoi.net/_e33efb8b

    Capital of Qinghai

  7. Xinjiang (< China)

    https://thesaurus.ecoi.net/ec2571

    Autonomous region (zizhiqu) in China