This is the 16573rd most frequent Polish word.
wnętrze
"Interior" or "inside."
The word 'wnętrze' is used to refer to the interior of a specific physical location (room).
Wnętrze tego pokoju jest bardzo przytulne.
The interior of this room is very cozy.
Here, 'wnętrze' is metaphorically used to refer to someone's inner self or psyche.
Zagłębiając się w swoje wnętrze, odkrywamy ukryte uczucia.
By delving into one's inner self, we discover hidden emotions.
In this sentence, 'wnętrze' denotes the interior part of an object, specifically a car.