Nouns:
* Showboat: A flamboyant performer or entertainer.
* Showdown: A final confrontation or decisive moment.
* Showman: Someone skilled in presenting entertainment.
* Showpiece: An outstanding example or exhibit.
* Showstopper: A performance or act that receives great applause.
* Show-off: Someone who boasts about their abilities or possessions.
* Showcase: A display or exhibition.
Verbs:
* Showdown: To confront or face off.
* Show-off: To display one's abilities or possessions in a boastful way.
* Show up: To arrive at an event or place.
* Show off: To display something proudly.
Adjectives:
* Show-stopping: Extremely impressive or captivating.
This is not an exhaustive list, but it gives you a good starting point!