“category”

Alone in a category.

A type, race or category; a group of entities that have common characteristics such that they may be grouped together.

A group, collection, category or set sharing characteristics or attributes.

A category into which sexually-reproducing organisms are divided on the basis of their reproductive roles in their species; the system of such categories, which can differ by organism or by taxonomic branch.

The place where anything is fixed; situation; local position