Phonology
- Consonant Inventories (1232 languages)
- Vowel Quality Inventories (1245 languages)
- Consonant-Vowel Ratio (1158 languages)
- Voicing in Plosives and Fricatives (1216 languages)
- Voicing and Gaps in Plosive Systems (1176 languages)
- Uvular Consonants (1204 languages)
- Glottalized Consonants (1179 languages)
- Lateral Consonants (1193 languages)
- The Velar Nasal (1200 languages)
- Vowel Nasalization (1188 languages)
- Front Rounded Vowels (1175 languages)
- Syllable Structure (1206 languages)
- Tone (1227 languages)
- Fixed Stress Locations (1025 languages)
- Weight-Sensitive Stress (883 languages)
- Weight Factors in Weight-Sensitive Stress Systems (846 languages)
- Rhythm Types (746 languages)
- Absence of Common Consonants (1165 languages)
- Presence of Uncommon Consonants (1165 languages)
Morphology
- Fusion of Selected Inflectional Formatives (887 languages)
- Exponence of Selected Inflectional Formatives (834 languages)
- Inflectional Synthesis of the Verb (807 languages)
- Locus of Marking in the Clause (824 languages)
- Locus of Marking in Possessive Noun Phrases (809 languages)
- Locus of Marking: Whole-language Typology (758 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (881 languages)
- Reduplication (866 languages)
- Case Syncretism (841 languages)
- Syncretism in Verbal Person/Number Marking (838 languages)
Nominal Categories
- Number of Genders (1115 languages)
- Sex-based and Non-sex-based Gender Systems (1072 languages)
- Systems of Gender Assignment (1026 languages)
- Coding of Nominal Plurality (1041 languages)
- Occurrence of Nominal Plurality (947 languages)
- Plurality in Independent Personal Pronouns (877 languages)
- The Associative Plural (658 languages)
- Definite Articles (1016 languages)
- Indefinite Articles (994 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (917 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (902 languages)
- Distance Contrasts in Demonstratives (821 languages)
- Pronominal and Adnominal Demonstratives (667 languages)
- Third Person Pronouns and Demonstratives (739 languages)
- Gender Distinctions in Independent Personal Pronouns (869 languages)
- Politeness Distinctions in Pronouns (845 languages)
- Indefinite Pronouns (599 languages)
- Intensifiers and Reflexive Pronouns (580 languages)
- Person Marking on Adpositions (746 languages)
- Number of Cases (936 languages)
- Asymmetrical Case-Marking (749 languages)
- Position of Case Affixes (867 languages)
- Comitatives and Instrumentals (698 languages)
- Ordinal Numerals (734 languages)
- Distributive Numerals (519 languages)
- Numeral Classifiers (716 languages)
- Conjunctions and Universal Quantifiers (465 languages)
- Position of Pronominal Possessive Affixes (764 languages)
Nominal Syntax
- Obligatory Possessive Inflection (785 languages)
- Possessive Classification (738 languages)
- Genitives, Adjectives and Relative Clauses (651 languages)
- Adjectives without Nouns (647 languages)
- Action Nominal Constructions (462 languages)
- Noun Phrase Conjunction (657 languages)
- Nominal and Verbal Conjunction (643 languages)
Verbal Categories
- Perfective/Imperfective Aspect (844 languages)
- The Past Tense (902 languages)
- The Future Tense (898 languages)
- The Perfect (796 languages)
- Position of Tense-Aspect Affixes (835 languages)
- The Morphological Imperative (720 languages)
- The Prohibitive (671 languages)
- Imperative-Hortative Systems (490 languages)
- The Optative (679 languages)
- Situational Possibility (541 languages)
- Epistemic Possibility (525 languages)
- Overlap between Situational and Epistemic Modal Marking (453 languages)
- Semantic Distinctions of Evidentiality (618 languages)
- Coding of Evidentiality (656 languages)
- Suppletion According to Tense and Aspect (611 languages)
- Verbal Number and Suppletion (612 languages)
Word Order
- Order of Subject, Object and Verb (1005 languages)
- Order of Subject and Verb (965 languages)
- Order of Object and Verb (958 languages)
- Order of Object, Oblique, and Verb (756 languages)
- Order of Adposition and Noun Phrase (839 languages)
- Order of Genitive and Noun (895 languages)
- Order of Adjective and Noun (929 languages)
- Order of Demonstrative and Noun (824 languages)
- Order of Numeral and Noun (847 languages)
- Order of Relative Clause and Noun (752 languages)
- Order of Degree Word and Adjective (595 languages)
- Position of Polar Question Particles (722 languages)
- Position of Interrogative Phrases in Content Questions (669 languages)
- Order of Adverbial Subordinator and Clause (569 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (677 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (656 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (696 languages)
- Order of Negative Morpheme and Verb (627 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (579 languages)
Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (747 languages)
- Alignment of Case Marking of Pronouns (707 languages)
- Alignment of Verbal Person Marking (682 languages)
- Expression of Pronominal Subjects (683 languages)
- Verbal Person Marking (757 languages)
- Third Person Zero of Verbal Person Marking (679 languages)
- Order of Person Markers on the Verb (669 languages)
- Ditransitive Constructions: The Verb 'Give' (606 languages)
- Reciprocal Constructions (515 languages)
- Passive Constructions (694 languages)
- Antipassive Constructions (598 languages)
- Applicative Constructions (505 languages)
- Periphrastic Causative Constructions (303 languages)
- Nonperiphrastic Causative Constructions (443 languages)
- Negative Morphemes (707 languages)
- Symmetric and Asymmetric Standard Negation (522 languages)
- Subtypes of Asymmetric Standard Negation (410 languages)
- Negative Indefinite Pronouns and Predicate Negation (368 languages)
- Polar Questions (676 languages)
- Predicative Possession (497 languages)
- Predicative Adjectives (557 languages)
- Nominal and Locational Predication (519 languages)
- Zero Copula for Predicate Nominals (599 languages)
- Comparative Constructions (441 languages)
Complex Sentences
- Relativization on Subjects (535 languages)
- Relativization on Obliques (491 languages)
- 'Want' Complement Subjects (455 languages)
- Purpose Clauses (401 languages)
- 'When' Clauses (413 languages)
- Reason Clauses (404 languages)
- Utterance Complement Clauses (373 languages)
Lexicon
- Hand and Arm (744 languages)
- Finger and Hand (724 languages)
- Numeral Bases (816 languages)
- Number of Non-Derived Basic Colour Categories (384 languages)
- Number of Basic Colour Categories (366 languages)
- Green and Blue (585 languages)
- Red and Yellow (585 languages)
- M-T Pronouns (628 languages)
- N-M Pronouns (622 languages)
- Tea (542 languages)
Sign Languages
- Irregular Negatives in Sign Languages (79 languages)
- Question Particles in Sign Languages (83 languages)
Other
- Writing Systems (715 languages)
- Para-Linguistic Usages of Clicks (418 languages)
Conlang-specific
- Conlang type (896 languages)