The sounds are a bit similar, but I can’t find any historical sources showing they could have a common origin…(old answer on this would indicate this is only coincidence ? https://sci.lang.japan.narkive.com/NfPl1rXU/are-nishi-higashi-related-to-migi-hidari)
I would also say it is more of a coincidence.
Reminds me of a joke of 主人 and 囚人 being the ‘same’ as there is only a long vowel difference between them. Husband and prisoner respectively.
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