This is the 4737th most frequent Polish word.
niższe
Lower or smaller.
Here, "niższe" is used as an adjective to compare the lower prices of the shop in comparison to others.
Ceny w tym sklepie są niższe niż w innych.
The prices in this shop are lower than in others.
In this case, "niższe" compares the temperatures in different geographical areas, expressing that one is lower.
Temperatury w górach zazwyczaj są niższe niż na nizinach.
The temperatures in the mountains are usually lower than in the lowlands.
Here, "niższe" is utilized to compare the profits of a company, indicating that the current year's profits decreased relative to last year.