A mom in Polish language is called mama. This is a quite common way of calling your mother in Polish, as well as other Slavic languages and beyond. It’s a diminutive of the word mother or matka in Polish translation.
Matka meaning - Matka in Polish holds quite a harsh connotation and is used mostly in formal language. When you hear someone saying matka in Polish, it usually rings of a sort of distance and lack of emotion towards that person.
On the other hand, another diminutive in Polish language, mamusia or mommy, is quite often used by children and those that hold a gentle and tight relationship with their moms and is a sign of endearment.
In Poland, it is also not uncommon for other members of the family, apart from children, to call someone’s Mom a Mama in Polish, too, like sons and daughters in law.