What is the most common polish word?

It's impossible to definitively say which Polish word is the "most common" without conducting a massive linguistic analysis of a vast corpus of text and speech.

However, some strong contenders for the title include:

* "i" (and): This is a very common conjunction used in everyday speech and writing.

* "w" (in): Another common preposition used in a wide variety of contexts.

* "na" (on): This preposition is frequently used to indicate location or time.

* "z" (with): A common preposition used to express accompaniment or origin.

* "do" (to): This preposition is essential for indicating direction or purpose.

Ultimately, the "most common" Polish word is likely to be a grammatical word rather than a specific noun, verb, or adjective. These grammatical words are essential for connecting other words and creating coherent sentences, making them extremely frequent in the language.