* Lucky: Having good luck.
* Unlucky: Having bad luck.
* Luckless: Having no luck.
* Luckily: Fortunately, by good luck.
* Unluckily: Unfortunately, by bad luck.
* Lucky charm: An object believed to bring good luck.
* Luck out: To have good fortune or luck.
* Out of luck: To have bad fortune or luck.
* Bad luck: Unfavorable fortune.
* Good luck: Favorable fortune.
These are just a few examples, and you can often find variations and compound words that incorporate the root "luck" depending on the context.