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inmate vs. prisoner

[in-meyt] / ˈɪnˌmeɪt /

noun

  1. a person who is confined in a prison, hospital, etc.

  2. Archaic. a person who dwells with others in the same house.

[priz-uh-ner, priz-ner] / ˈprɪz ə nər, ˈprɪz nər /

noun

  1. a person who is confined in prison or kept in custody, especially as the result of legal process.

  2. prisoner of war.

  3. a person or thing that is deprived of liberty or kept in restraint.