patience, patients, patient's

Patience or patience means the ability to wait without getting nervous or angry, or to bear annoyance or discomfort without complaining--
I am about to lose my patience! Stop that!
Patience also means the ability to stick with a tedious, difficult or boring task--
He doesn't have the patience for something so tedious. 

Patients or patients ( rhymes with patience ) is the plural ( more than one ) of "patient", meaning the client of a doctor, dentist, or health care worker of some kind--
This doctor always has a lot of patients waiting.
Most of this dentist's patients seem to think very highly of him.
The doctor will lose his patients if he doesn't do something about the waiting room.


Patient's or patient's ( rhymes with patience ) is the possessive ( belonging to ) form of "patient", meaning the client of a health care professional--
Can I see the patient's chart, please.
Is this the patient's mother?

Now that you know that, you can say--
"This patient's patience will wear thin if the doctor keeps his patients waiting any longer.."

Note--"patient" may mean the client of a health care professional--
He is a patient at the local clinic, and needs a ride to get there.
"Patient" also means able to wait without getting nervous or angry--
Don't get upset. Try to be patient.
Note # 2--"patients' " is the plural possessive ( belonging to more than one ) of "patient" meaning the client of a health care professional--
Where have you putt he patients' charts?
Note # 3--"impatient" means fed up with waiting, or angry from waiting--
He is always impatient when there is a line at the store.
Not to be confused with "I'm patient", meaning I have the ability to wait calmly--
I'm patient when the children dawdle, but not when they misbehave.