Here are some examples of words using the "-opt" suffix:
* Optimist: A person who tends to be hopeful and confident about the future.
* Optimum: The best or most favorable condition for something.
* Optimize: To make something as effective or functional as possible.
* Cryptopt: A hidden eye, a term used in biology.
* Bio-opt: A term related to biological optimization.
The suffix "-opt" is often used in scientific and technical contexts to refer to a specific optimization process or outcome.