* τίποτα (típota): This is the most common and versatile word for "nothing" and is generally a safe choice. It's used for the absence of something concrete or abstract.
* μηδέν (midén): This word literally means "nothing" and is more formal and often used in mathematical or philosophical contexts.
* ούτε ένα (úte éna): This translates to "not even one" and is used to emphasize the complete absence of something.
* καμιά (kamia) / κανένας (kanénas): These words mean "no" or "none" and are used before nouns, similar to "no one" or "nothing" in English. `kamia` is used with feminine nouns, and `kanénas` with masculine nouns.
The best word to use will depend on the specific situation. For most everyday situations, τίποτα (típota) is the most appropriate.