grzecznociowych
Grzecznociowych is not a standard term in Polish linguistics or etiquette studies. It appears to be a misspelling or nonstandard variant of related terms such as grzecznościowy or grzecznościowych, which are connected with politeness and etiquette in language. In scholarly and practical usage, the preferred forms refer to polite language, polite forms, or forms of address rather than a distinct, widely recognized category named grzecznociowych.
In Polish, the concept most closely associated with politeness is język grzecznościowy, or polite language, which
The term grzecznościowy functions as an adjective meaning “polite” or “courteous,” and its inflected forms appear
Usage guidance suggests treating grzecznociowych as a likely misspelling when encountered in texts. Correcting to grzecznościowych