This is the 10393rd most frequent Polish word.
cukierniach
"Cukierniach" means "confectioneries" or "pastry shops" in the plural locative case in Polish.
In this sentence, 'cukierniach' refers to plural locations — confectioneries, indicating places where sweets are sold.
W cukierniach można znaleźć różnorodne ciasta i desery.
In confectioneries, you can find various cakes and desserts.
Here, 'cukierniach' again signifies plural establishments, assigning specific action happening in them—selling fresh donuts every morning.
W tych cukierniach sprzedają świeże pączki każdego ranka.
In these confectioneries, they sell fresh donuts every morning.
In this scenario, 'cukierniach' presents an action of visiting multiple confectionery shops for a purpose.