Kidney and Subclass

Kidney noun - A number of persons or things that are grouped together because they have something in common.

Subclass and kidney are semantically related in class topic. In some cases you can use "Subclass" instead a noun "Kidney".

Subclass noun - (biology) a taxonomic category below a class and above an order.

Kidney and subclass are semantically related in class topic. Sometimes you can use "Kidney" instead a noun "Subclass".