The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Actual Terms (3,353 members)
- Adaptive Origin Terms (231 members)
- Addiction-Related Terms (4 members)
- ADHD-Related Terms (15 members)
- Affix (0 members)
- Affixes (73 members)
- Age-Related Terms (78 members)
- Amnesia-Related Terms (1 member)
- Anthro-Origin Terms (146 members)
- Anxiety Disorder-Related Terms (11 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 (3 members)
- Autism-Related Terms (17 members)
- Automatic Categories (66 members)
- -based Terms (100 members)
- Caretaker subterms (0 members)
- Caretaker Subterms (44 members)
- Citation Needed (50 members)
- Citation Needed/Medical (32 members)
- Common Terms (98 members)
- Concurrent Thinking-Related Terms (3 members)
- Consciousness Structures (22 members)
- Consciousness Terms (28 members)
- -conscious Terms (29 members)
- Contains Content Warning (273 members)
- Created Origin Terms (35 members)
- Daemonism Community Terms (29 members)
- -dawn Terms (45 members)
- Daydreaming-Related Terms (32 members)
- Disambiguation (13 members)
- Discourse-Related Terms (27 members)
- Disorder-Related Terms (216 members)
- Dissociation-Related Terms (49 members)
- Drafts (2 members)
- Eating Disorder-Related Terms (15 members)
- Emotion-Related Terms (40 members)
- Endogenic Origin Terms (199 members)
- -epectic Terms (6 members)
- External Interactions (83 members)
- Fhinanara-kah Term System (11 members)
- Fronting Terms (136 members)
- Functional Origin Terms (27 members)
- Functional Role Terms (18 members)
- Gatekeeper Subterms (18 members)
- Gateway Terms (32 members)
- Gendermnogi System (22 members)
- Genders (93 members)
- Headmate Archetypes (18 members)
- Headmate Elaboration (37 members)
- Headmate Formation (80 members)
- Headmate Origins (0 members)
- Headmate Separation (35 members)
- Headmate Terms That Relate To Abilities (198 members)
- Headmate Terms That Relate To Attributes (464 members)
- Headmate Terms That Relate To Experiences (270 members)
- Headmate Terms That Relate To Relationships (418 members)
- Headmate Terms That Relate To Tasks (295 members)
- Headspace Locations and Fixtures (29 members)
- Headspace Modifiers (140 members)
- Headspace Processes and Concepts (52 members)
- Headspace Terms (236 members)
- -heavy Terms (14 members)
- Hidden categories (38 members)
- Holder & Experiencer Subterms (81 members)
- Holder Subterms (0 members)
- Host Subterms (32 members)
- Hyperromantic-related terms (5 members)
- Hypersexuality-related terms (6 members)
- -impacted Terms (5 members)
- Indexed pages (2 members)
- Internal communication difficulties (6 members)
- Internal communication problems (0 members)
- Internal Government Terms (30 members)
- Introject Subterms (0 members)
- Introject Terms (0 members)
- ISH Subterms (15 members)
- -jective (0 members)
- -jective Terms (5 members)
- Languages (19 members)
- Little Subterms (19 members)
- Maintenance Categories (46 members)
- Medical Citation Needed (0 members)
- Memory-Related Terms (40 members)
- Metaphysical (0 members)
- Metaphysical Terms (145 members)
- Mixed Origin Terms (37 members)
- Mood Disorder-Related Terms (7 members)
- Music-Related Terms (39 members)
- -naut Terms (15 members)
- Noindexed pages (2 members)
- Nonhuman Terms (57 members)
- Not Plural Exclusive (125 members)
- Not System Exclusive (0 members)
- -numeren Terms (13 members)
- Obsessive-Compulsive-Related Terms (14 members)
- Origin Terms (710 members)
- -orma Terms (71 members)
- Outsourced & Introject Term (0 members)
- Outsourced & Introject Terms (0 members)
- Pages containing omitted template arguments (0 members)
- Pages that define multiple terms (0 members)
- Pages using deprecated enclose attributes (0 members)
- Pages using deprecated source tags (0 members)
- Pages using duplicate arguments in template calls (1 member)
- Pages using infoboxes with thumbnail images (8 members)
- Pages where expansion depth is exceeded (0 members)
- Pages where node count is exceeded (0 members)
- Pages where template include size is exceeded (0 members)
- Pages where the unstrip depth limit is exceeded (0 members)
- Pages where the unstrip size limit is exceeded (0 members)
- Pages which use = as a template (0 members)
- Pages with broken file links (0 members)
- Pages with ignored display titles (5 members)
- Pages with non-numeric formatnum arguments (0 members)
- Pages with reference errors (0 members)
- Pages with script errors (0 members)
- Pages with syntax highlighting errors (0 members)
- Pages with template loops (0 members)
- Pages with TemplateStyles errors (0 members)
- Pages with too many expensive parser function calls (0 members)
- Persecutor Subterms (48 members)
- Personality Disorder-Related Terms (56 members)
- Personality Disorder Special Person Terms (10 members)
- Physical Disability-Related Terms (5 members)
- -plex Terms (8 members)
- Pluralpedia fully-protected modules (2 members)
- Pluralpedia fully protected templates (19 members)
- Pluralpedia pages with incorrect protection templates (0 members)
- Plural-Related LGBTQ Terms (257 members)
- Plural Slang (9 members)
- Plurisex Terms (8 members)
- Plurplex terms (32 members)
- Plurplex Terms (0 members)
- Prefix (0 members)
- Prefixes (0 members)
- Pronouns (7 members)
- Pronouns and Pronoun-Related Terms (0 members)
- Protector Subterms (52 members)
- Psychiatric Terms (73 members)
- Resources (24 members)
- Roleplay-Related Terms (12 members)
- Romance-related terms (4 members)
- Schizospec-Related Terms (17 members)
- Scribunto modules with errors (0 members)
- Sentient Headspace Terms (46 members)
- Sex-related terms (20 members)
- Sleep-related terms (0 members)
- Sleep related terms (0 members)
- Sleep-Related Terms (41 members)
- Sleep Related Terms (0 members)
- Soulbonding Community Terms (26 members)
- Sourced & Introject Terms (335 members)
- -space Terms (67 members)
- Spiritual Origin Terms (34 members)
- Spontaneous Origin Terms (41 members)
- Strata Terms (10 members)
- Structure (130 members)
- Stubs (116 members)
- Stubs (Alt Text) (12 members)
- Stubs (Categorisation) (1 member)
- Stubs (Clarity) (10 members)
- Stubs (Context) (17 members)
- Stubs (Formatting) (2 members)
- Stubs (Information) (9 members)
- Subsytem & Sidesystem Specific Terms (0 members)
- Suffix (0 members)
- Suffixes (0 members)
- Switching Terms (31 members)
- System Functions (843 members)
- System Origins (0 members)
- System Relationships (42 members)
- System Relatonship (0 members)
- System Role Archetypes (0 members)
- System Roles (540 members)
- System Travel Terms (19 members)
- -tama Terms (5 members)
- TemplateStyles stylesheets with errors (0 members)
- Terms (3,378 members)
- Terms about the plural community (41 members)
- Terms by grammar (7 members)
- Terms by origin (10 members)
- Terms by target (5 members)
- Terms by topic (14 members)
- Terms Related To Fusion (32 members)
- Terms Related to RAMCOA (22 members)
- Terms Related to Splitting (25 members)
- Terms Specifically for Sisasystems (0 members)
- Terms specific to median systems (38 members)
- Terms specific to partitionary systems (12 members)
- Terms specific to sisasystems (61 members)
- Terms that apply to consciousnesses (0 members)
- Terms that apply to groups (230 members)
- Terms that apply to headmates (2,143 members)
- Terms that apply to sourced headmates (0 members)
- Terms that apply to systems (1,364 members)
- Terms that describe communication (71 members)
- Terms that describe external tasks (23 members)
- Terms that describe headmate abilities (0 members)
- Terms that describe headmate attributes (0 members)
- Terms that describe headmate experiences (0 members)
- Terms that describe headmate relationships (0 members)
- Terms that describe headmate tasks (0 members)
- Terms that describe internal tasks (178 members)
- Terms that describe system count (49 members)
- Terms that may be used as adjectives (2,001 members)
- Terms that may be used as adverbs (11 members)
- Terms that may be used as nouns (2,219 members)
- Terms that may be used as particles (7 members)
- Terms that may be used as verbs (187 members)
- Terms with a known coiner (2,661 members)
- Terms without listed origin (502 members)
- Terms without specified grammar (2 members)
- Terms without specified target (85 members)
- Terms with synonyms or alternate forms (1,369 members)
- Terms with synonyms or alternate forms/Maintenance log (0 members)
- -tien Terms (53 members)
- To Be Reviewed (0 members)
- Traumagenic Origin Terms (72 members)
- Tulpamancy Community Terms (22 members)
- Under Review (14 members)
- Unknown Origin Terms (39 members)
- Verbal Related Terms (11 members)
- -Visum Collection (13 members)
- Websites (11 members)
- Xeno-Origin Terms (212 members)
- Xenoroles (15 members)