Common Suffixes:
* -ate: "Doctorate" - This refers to a doctoral degree, the highest level of academic achievement.
* -ing: "Doctoring" - This refers to the act of practicing medicine.
* -s: "Doctors" - This is the plural form of the word, referring to multiple medical professionals.
Less Common Suffixes:
* -al: "Doctoral" - This refers to something relating to a doctorate or doctors.
* -ship: "Doctorship" - This is a less common term, often used to refer to the position or authority of a doctor.
* -hood: "Doctorhood" - This is a less common term, referring to the state of being a doctor.
The best suffix to use will depend on the context and the specific meaning you want to convey.