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Phonology
- Consonant Inventories (1201 languages)
- Vowel Quality Inventories (1213 languages)
- Consonant-Vowel Ratio (1129 languages)
- Voicing in Plosives and Fricatives (1185 languages)
- Voicing and Gaps in Plosive Systems (1149 languages)
- Uvular Consonants (1175 languages)
- Glottalized Consonants (1149 languages)
- Lateral Consonants (1163 languages)
- The Velar Nasal (1170 languages)
- Vowel Nasalization (1157 languages)
- Front Rounded Vowels (1146 languages)
- Syllable Structure (1176 languages)
- Tone (1196 languages)
- Fixed Stress Locations (999 languages)
- Weight-Sensitive Stress (857 languages)
- Weight Factors in Weight-Sensitive Stress Systems (822 languages)
- Rhythm Types (720 languages)
- Absence of Common Consonants (1139 languages)
- Presence of Uncommon Consonants (1137 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (865 languages)
- Exponence of Selected Inflectional Formatives (812 languages)
- Inflectional Synthesis of the Verb (787 languages)
- Locus of Marking in the Clause (804 languages)
- Locus of Marking in Possessive Noun Phrases (789 languages)
- Locus of Marking: Whole-language Typology (736 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (856 languages)
- Reduplication (839 languages)
- Case Syncretism (817 languages)
- Syncretism in Verbal Person/Number Marking (813 languages)
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Nominal Categories
- Number of Genders (1089 languages)
- Sex-based and Non-sex-based Gender Systems (1046 languages)
- Systems of Gender Assignment (1002 languages)
- Coding of Nominal Plurality (1017 languages)
- Occurrence of Nominal Plurality (924 languages)
- Plurality in Independent Personal Pronouns (854 languages)
- The Associative Plural (633 languages)
- Definite Articles (991 languages)
- Indefinite Articles (969 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (892 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (878 languages)
- Distance Contrasts in Demonstratives (799 languages)
- Pronominal and Adnominal Demonstratives (647 languages)
- Third Person Pronouns and Demonstratives (722 languages)
- Gender Distinctions in Independent Personal Pronouns (847 languages)
- Politeness Distinctions in Pronouns (824 languages)
- Indefinite Pronouns (578 languages)
- Intensifiers and Reflexive Pronouns (557 languages)
- Person Marking on Adpositions (726 languages)
- Number of Cases (912 languages)
- Asymmetrical Case-Marking (727 languages)
- Position of Case Affixes (842 languages)
- Comitatives and Instrumentals (678 languages)
- Ordinal Numerals (711 languages)
- Distributive Numerals (502 languages)
- Numeral Classifiers (694 languages)
- Conjunctions and Universal Quantifiers (449 languages)
- Position of Pronominal Possessive Affixes (746 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (765 languages)
- Possessive Classification (721 languages)
- Genitives, Adjectives and Relative Clauses (636 languages)
- Adjectives without Nouns (628 languages)
- Action Nominal Constructions (450 languages)
- Noun Phrase Conjunction (643 languages)
- Nominal and Verbal Conjunction (630 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (824 languages)
- The Past Tense (880 languages)
- The Future Tense (877 languages)
- The Perfect (778 languages)
- Position of Tense-Aspect Affixes (814 languages)
- The Morphological Imperative (702 languages)
- The Prohibitive (652 languages)
- Imperative-Hortative Systems (479 languages)
- The Optative (661 languages)
- Situational Possibility (527 languages)
- Epistemic Possibility (512 languages)
- Overlap between Situational and Epistemic Modal Marking (441 languages)
- Semantic Distinctions of Evidentiality (602 languages)
- Coding of Evidentiality (640 languages)
- Suppletion According to Tense and Aspect (599 languages)
- Verbal Number and Suppletion (597 languages)
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Word Order
- Order of Subject, Object and Verb (982 languages)
- Order of Subject and Verb (942 languages)
- Order of Object and Verb (935 languages)
- Order of Object, Oblique, and Verb (733 languages)
- Order of Adposition and Noun Phrase (817 languages)
- Order of Genitive and Noun (873 languages)
- Order of Adjective and Noun (907 languages)
- Order of Demonstrative and Noun (805 languages)
- Order of Numeral and Noun (824 languages)
- Order of Relative Clause and Noun (734 languages)
- Order of Degree Word and Adjective (581 languages)
- Position of Polar Question Particles (704 languages)
- Position of Interrogative Phrases in Content Questions (651 languages)
- Order of Adverbial Subordinator and Clause (552 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (660 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (641 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (681 languages)
- Order of Negative Morpheme and Verb (611 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (564 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (733 languages)
- Alignment of Case Marking of Pronouns (692 languages)
- Alignment of Verbal Person Marking (664 languages)
- Expression of Pronominal Subjects (670 languages)
- Verbal Person Marking (740 languages)
- Third Person Zero of Verbal Person Marking (664 languages)
- Order of Person Markers on the Verb (654 languages)
- Ditransitive Constructions: The Verb 'Give' (592 languages)
- Reciprocal Constructions (499 languages)
- Passive Constructions (679 languages)
- Antipassive Constructions (585 languages)
- Applicative Constructions (493 languages)
- Periphrastic Causative Constructions (297 languages)
- Nonperiphrastic Causative Constructions (433 languages)
- Negative Morphemes (692 languages)
- Symmetric and Asymmetric Standard Negation (508 languages)
- Subtypes of Asymmetric Standard Negation (401 languages)
- Negative Indefinite Pronouns and Predicate Negation (359 languages)
- Polar Questions (661 languages)
- Predicative Possession (485 languages)
- Predicative Adjectives (545 languages)
- Nominal and Locational Predication (507 languages)
- Zero Copula for Predicate Nominals (583 languages)
- Comparative Constructions (427 languages)
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Complex Sentences
- Relativization on Subjects (521 languages)
- Relativization on Obliques (477 languages)
- 'Want' Complement Subjects (442 languages)
- Purpose Clauses (391 languages)
- 'When' Clauses (403 languages)
- Reason Clauses (394 languages)
- Utterance Complement Clauses (363 languages)
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Lexicon
- Hand and Arm (726 languages)
- Finger and Hand (706 languages)
- Numeral Bases (793 languages)
- Number of Non-Derived Basic Colour Categories (370 languages)
- Number of Basic Colour Categories (354 languages)
- Green and Blue (568 languages)
- Red and Yellow (569 languages)
- M-T Pronouns (610 languages)
- N-M Pronouns (604 languages)
- Tea (526 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (77 languages)
- Question Particles in Sign Languages (80 languages)
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Other
- Writing Systems (696 languages)
- Para-Linguistic Usages of Clicks (405 languages)
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Conlang-specific
- Conlang type (875 languages)