What's the difference between " moan" and " goan" ?

For instance:
The nation moaned/goaned under the dictator's rule.

Thank you very much for reading.~

Question

What's the difference between " moan" and " goan" ?

For instance: 
    The nation moaned/goaned under the dictator's rule.

Thank you very much for reading.~

Answer

They are pretty similar, in this way it’s expressing that they were really unhappy. Groaning is a form of moaning.  Groaning usually has something to do with a dislike or discomfort most of the time where moaning can be from discomfort or pleasure.

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