I'm not familiar with the other two words. In particular, I am certain that I have never seen "boeotian" in print, which means that even if it is a real word, it must be so obscure that it is verging on extinction.
Boeˇoˇtian
/biˈoʊ ʃən/ Show Spelled [bee-oh-shuh n] Show IPA adjective 1. of or pertaining to Boeotia or its inhabitants. 2. dull;obtuse;withoutculturalrefinement.
"My boeotian ex replied with his typical, uneducated opinion."
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