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Phonology
- Consonant Inventories (1224 languages)
- Vowel Quality Inventories (1237 languages)
- Consonant-Vowel Ratio (1151 languages)
- Voicing in Plosives and Fricatives (1208 languages)
- Voicing and Gaps in Plosive Systems (1170 languages)
- Uvular Consonants (1197 languages)
- Glottalized Consonants (1172 languages)
- Lateral Consonants (1185 languages)
- The Velar Nasal (1192 languages)
- Vowel Nasalization (1180 languages)
- Front Rounded Vowels (1167 languages)
- Syllable Structure (1198 languages)
- Tone (1219 languages)
- Fixed Stress Locations (1018 languages)
- Weight-Sensitive Stress (877 languages)
- Weight Factors in Weight-Sensitive Stress Systems (840 languages)
- Rhythm Types (739 languages)
- Absence of Common Consonants (1159 languages)
- Presence of Uncommon Consonants (1158 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (879 languages)
- Exponence of Selected Inflectional Formatives (825 languages)
- Inflectional Synthesis of the Verb (799 languages)
- Locus of Marking in the Clause (818 languages)
- Locus of Marking in Possessive Noun Phrases (803 languages)
- Locus of Marking: Whole-language Typology (752 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (872 languages)
- Reduplication (858 languages)
- Case Syncretism (834 languages)
- Syncretism in Verbal Person/Number Marking (828 languages)
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Nominal Categories
- Number of Genders (1109 languages)
- Sex-based and Non-sex-based Gender Systems (1066 languages)
- Systems of Gender Assignment (1021 languages)
- Coding of Nominal Plurality (1036 languages)
- Occurrence of Nominal Plurality (943 languages)
- Plurality in Independent Personal Pronouns (872 languages)
- The Associative Plural (652 languages)
- Definite Articles (1010 languages)
- Indefinite Articles (989 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (911 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (896 languages)
- Distance Contrasts in Demonstratives (815 languages)
- Pronominal and Adnominal Demonstratives (662 languages)
- Third Person Pronouns and Demonstratives (734 languages)
- Gender Distinctions in Independent Personal Pronouns (864 languages)
- Politeness Distinctions in Pronouns (841 languages)
- Indefinite Pronouns (596 languages)
- Intensifiers and Reflexive Pronouns (575 languages)
- Person Marking on Adpositions (742 languages)
- Number of Cases (930 languages)
- Asymmetrical Case-Marking (745 languages)
- Position of Case Affixes (861 languages)
- Comitatives and Instrumentals (692 languages)
- Ordinal Numerals (729 languages)
- Distributive Numerals (515 languages)
- Numeral Classifiers (711 languages)
- Conjunctions and Universal Quantifiers (461 languages)
- Position of Pronominal Possessive Affixes (759 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (781 languages)
- Possessive Classification (733 languages)
- Genitives, Adjectives and Relative Clauses (647 languages)
- Adjectives without Nouns (641 languages)
- Action Nominal Constructions (458 languages)
- Noun Phrase Conjunction (653 languages)
- Nominal and Verbal Conjunction (639 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (838 languages)
- The Past Tense (895 languages)
- The Future Tense (891 languages)
- The Perfect (791 languages)
- Position of Tense-Aspect Affixes (829 languages)
- The Morphological Imperative (715 languages)
- The Prohibitive (666 languages)
- Imperative-Hortative Systems (486 languages)
- The Optative (673 languages)
- Situational Possibility (538 languages)
- Epistemic Possibility (522 languages)
- Overlap between Situational and Epistemic Modal Marking (450 languages)
- Semantic Distinctions of Evidentiality (612 languages)
- Coding of Evidentiality (651 languages)
- Suppletion According to Tense and Aspect (607 languages)
- Verbal Number and Suppletion (606 languages)
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Word Order
- Order of Subject, Object and Verb (999 languages)
- Order of Subject and Verb (959 languages)
- Order of Object and Verb (952 languages)
- Order of Object, Oblique, and Verb (750 languages)
- Order of Adposition and Noun Phrase (835 languages)
- Order of Genitive and Noun (892 languages)
- Order of Adjective and Noun (925 languages)
- Order of Demonstrative and Noun (820 languages)
- Order of Numeral and Noun (843 languages)
- Order of Relative Clause and Noun (749 languages)
- Order of Degree Word and Adjective (592 languages)
- Position of Polar Question Particles (719 languages)
- Position of Interrogative Phrases in Content Questions (665 languages)
- Order of Adverbial Subordinator and Clause (566 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (673 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (653 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (693 languages)
- Order of Negative Morpheme and Verb (624 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (576 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (743 languages)
- Alignment of Case Marking of Pronouns (703 languages)
- Alignment of Verbal Person Marking (676 languages)
- Expression of Pronominal Subjects (680 languages)
- Verbal Person Marking (753 languages)
- Third Person Zero of Verbal Person Marking (675 languages)
- Order of Person Markers on the Verb (665 languages)
- Ditransitive Constructions: The Verb 'Give' (603 languages)
- Reciprocal Constructions (511 languages)
- Passive Constructions (690 languages)
- Antipassive Constructions (595 languages)
- Applicative Constructions (502 languages)
- Periphrastic Causative Constructions (300 languages)
- Nonperiphrastic Causative Constructions (440 languages)
- Negative Morphemes (704 languages)
- Symmetric and Asymmetric Standard Negation (519 languages)
- Subtypes of Asymmetric Standard Negation (407 languages)
- Negative Indefinite Pronouns and Predicate Negation (365 languages)
- Polar Questions (674 languages)
- Predicative Possession (495 languages)
- Predicative Adjectives (554 languages)
- Nominal and Locational Predication (517 languages)
- Zero Copula for Predicate Nominals (596 languages)
- Comparative Constructions (438 languages)
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Complex Sentences
- Relativization on Subjects (531 languages)
- Relativization on Obliques (487 languages)
- 'Want' Complement Subjects (451 languages)
- Purpose Clauses (398 languages)
- 'When' Clauses (410 languages)
- Reason Clauses (401 languages)
- Utterance Complement Clauses (370 languages)
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Lexicon
- Hand and Arm (741 languages)
- Finger and Hand (721 languages)
- Numeral Bases (811 languages)
- Number of Non-Derived Basic Colour Categories (381 languages)
- Number of Basic Colour Categories (363 languages)
- Green and Blue (582 languages)
- Red and Yellow (582 languages)
- M-T Pronouns (623 languages)
- N-M Pronouns (617 languages)
- Tea (538 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (78 languages)
- Question Particles in Sign Languages (82 languages)
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Other
- Writing Systems (712 languages)
- Para-Linguistic Usages of Clicks (414 languages)
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Conlang-specific
- Conlang type (890 languages)