What is a suffix for cello?

There isn't a specific suffix commonly used for "cello" in the same way you might have a suffix like "-er" for "play" to make "player."

However, here are some ways to modify the word "cello" to describe things related to it:

* -ist: You could say "cellist" to refer to someone who plays the cello.

* -like: You could say "cello-like" to describe something that sounds similar to a cello.

* -ing: You could say "celloing" to refer to the act of playing the cello.

Ultimately, the best way to modify "cello" depends on the specific context and what you want to convey.