What is the suffix for word cyst?

There isn't a specific suffix for the word "cyst". "Cyst" itself is the root word.

However, the word "cyst" is often used as a prefix in medical terminology, like in:

* Cystocele: A protrusion of the bladder into the vagina.

* Cystoscope: A medical instrument used to examine the bladder.

* Cystoscopy: The procedure of examining the bladder with a cystoscope.

So while "cyst" doesn't have a suffix, it can act as a prefix in medical terms.