This is the 523rd most frequent Czech word.
daně
Taxes.
In this sentence, 'daně' refers to government-imposed financial charges or levies.
Každý rok musím platit daně.
Every year I have to pay taxes.
Here, 'daním' is the dative plural form of 'daně', indicating the action is directed at taxes.
Vyhýbání se daním je nezákonné.
Avoiding taxes is illegal.
In this sentence, 'daní' is the genitive plural form of 'daně', showing possession or related origin.