Select the most appropriate one-word substitution for the given group of words. "A place where patient needing longer duration treatment can stay"

Sanatorium

The correct answer is OPTION 2 - Sanatorium

The most appropriate one-word substitution for the given group of words is sanatorium.

• Domicile means a person's permanent home or residence.
• Sanatorium means a place where people go to receive long-term medical treatment.
• Masque refers to a disguise or a cosmetic treatment for the face.
• Mercantile means relating to commerce or trade.