category (n.)

• area
• blood
• bracket
• branch
• caste
• clan
• class
• classification
• department
• division
• estate
• grade
• group
• grouping
• head
• heading
• kin
• kind
• label
• league
• level
• list
• listing
• order
• pigeonhole
• position
• predicament
• race
• rank
• ranking
• rating
• rubric
• section
• sector
• sept
• set
• sort
• sphere
• station
• status
• strain
• stratum
• subdivision
• subgroup
• suborder
• tier
• title
• type
• variety