The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Actual Terms (1,932 members)
- Affix (0 members)
- Affixes (22 members)
- Age-Related Terms (50 members)
- Article message templates (1 member)
- Article message templates with missing parameters (2 members)
- Articles using small message boxes (1 member)
- Articles which use infobox templates with no data rows (12 members)
- -based Terms (44 members)
- Caretaker subterms (0 members)
- Caretaker Subterms (17 members)
- Common Terms (60 members)
- -conscious Terms (11 members)
- Contains Content Warning (132 members)
- Daemonism Community Terms (29 members)
- Daydreaming-Related Terms (18 members)
- Disambiguation (1 member)
- Discourse-Related Terms (16 members)
- External Interactions (3 members)
- Fhinanara-kah Term System (11 members)
- Fronting Terms (25 members)
- Gateway Terms (4 members)
- Gendermnogi System (22 members)
- Genders (32 members)
- Headmate Archetypes (10 members)
- Headmate Origins (35 members)
- Headspace Terms (119 members)
- Hidden categories (3 members)
- Indexed pages (1 member)
- Introject Terms (0 members)
- Languages (8 members)
- Metaphysical (0 members)
- Metaphysical Terms (56 members)
- Not Plural Exclusive (44 members)
- Not System Exclusive (0 members)
- Obsessive-Compulsive-Related Terms (12 members)
- Outsourced & Introject Term (0 members)
- Outsourced & Introject Terms (169 members)
- Pages that define multiple terms (2 members)
- Pages using infoboxes with thumbnail images (6 members)
- Pages with broken file links (1 member)
- Pages with ignored display titles (5 members)
- Pages with script errors (0 members)
- Personality Disorder-Related Terms (19 members)
- Pluralpedia fully-protected modules (1 member)
- Pluralpedia fully protected templates (11 members)
- Pluralpedia pages with incorrect protection templates (2 members)
- Plural-Related LGBTQ Terms (18 members)
- Plural Slang (3 members)
- Prefix (0 members)
