Is the sh word a swear word?

It depends on the specific word you're asking about. The "sh" sound itself isn't inherently offensive. However, many words starting with "sh" are considered swear words in various contexts.

For example, "sh**" is a very common and strong swear word in many English-speaking countries.

If you're unsure about a specific word, it's always best to err on the side of caution and avoid using it in situations where it might be considered offensive.