This is the 9425th most frequent Japanese word.
税金
Tax.
The word '税金' is directly used to refer to taxes or taxation as a concept in this sentence.
税金を収める必要があります。
You need to pay taxes.
Here, '税金' relates to the rate or amount applied as tax on a specific product.
この商品の税金率は低いです。
The tax rate for this product is low.
In this statement, '税金' refers to the funds collected as taxes which are utilized for public purposes.