The word "patient" is spelled P-A-T-I-E-N-T. It can be used both as a noun and an adjective. As a noun, it refers to a person who is receiving medical care or treatment. As an adjective, it describes someone who is able to endure delay, trouble, or suffering without becoming annoyed or upset

. To clarify, "patient" (singular) refers to one person receiving medical care, and "patients" is the plural form referring to multiple people under medical care

. The word "patience" (spelled with a "c") is a different noun meaning the ability to wait calmly or endure difficulties without frustration

. In summary:

• Patient (noun): a person receiving medical treatment
• Patient (adjective): able to remain calm and tolerant
• Patients: plural of patient (noun)
• Patience: the quality of being patient (noun)

The correct spelling you asked for is patient.