How do you spell motem?

"Motem" is not a standard English word. It's possible you might be thinking of a different word or have a typo.

Could you please clarify what you mean?

For example:

* Do you mean a specific word in a different language? If so, please tell me the language.

* Is it a technical term or slang? If so, please give me more context.

* Did you mean to spell something else? Please double-check your spelling.

Once I have more information, I can help you with the spelling.