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Phonology
- Consonant Inventories (1210 languages)
- Vowel Quality Inventories (1223 languages)
- Consonant-Vowel Ratio (1138 languages)
- Voicing in Plosives and Fricatives (1194 languages)
- Voicing and Gaps in Plosive Systems (1157 languages)
- Uvular Consonants (1184 languages)
- Glottalized Consonants (1159 languages)
- Lateral Consonants (1172 languages)
- The Velar Nasal (1179 languages)
- Vowel Nasalization (1167 languages)
- Front Rounded Vowels (1154 languages)
- Syllable Structure (1185 languages)
- Tone (1205 languages)
- Fixed Stress Locations (1006 languages)
- Weight-Sensitive Stress (866 languages)
- Weight Factors in Weight-Sensitive Stress Systems (829 languages)
- Rhythm Types (726 languages)
- Absence of Common Consonants (1147 languages)
- Presence of Uncommon Consonants (1145 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (870 languages)
- Exponence of Selected Inflectional Formatives (818 languages)
- Inflectional Synthesis of the Verb (793 languages)
- Locus of Marking in the Clause (810 languages)
- Locus of Marking in Possessive Noun Phrases (795 languages)
- Locus of Marking: Whole-language Typology (742 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (864 languages)
- Reduplication (848 languages)
- Case Syncretism (824 languages)
- Syncretism in Verbal Person/Number Marking (818 languages)
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Nominal Categories
- Number of Genders (1097 languages)
- Sex-based and Non-sex-based Gender Systems (1054 languages)
- Systems of Gender Assignment (1010 languages)
- Coding of Nominal Plurality (1025 languages)
- Occurrence of Nominal Plurality (932 languages)
- Plurality in Independent Personal Pronouns (861 languages)
- The Associative Plural (641 languages)
- Definite Articles (999 languages)
- Indefinite Articles (978 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (900 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (886 languages)
- Distance Contrasts in Demonstratives (806 languages)
- Pronominal and Adnominal Demonstratives (653 languages)
- Third Person Pronouns and Demonstratives (728 languages)
- Gender Distinctions in Independent Personal Pronouns (853 languages)
- Politeness Distinctions in Pronouns (831 languages)
- Indefinite Pronouns (584 languages)
- Intensifiers and Reflexive Pronouns (565 languages)
- Person Marking on Adpositions (734 languages)
- Number of Cases (919 languages)
- Asymmetrical Case-Marking (735 languages)
- Position of Case Affixes (850 languages)
- Comitatives and Instrumentals (685 languages)
- Ordinal Numerals (717 languages)
- Distributive Numerals (507 languages)
- Numeral Classifiers (702 languages)
- Conjunctions and Universal Quantifiers (455 languages)
- Position of Pronominal Possessive Affixes (749 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (770 languages)
- Possessive Classification (726 languages)
- Genitives, Adjectives and Relative Clauses (640 languages)
- Adjectives without Nouns (633 languages)
- Action Nominal Constructions (454 languages)
- Noun Phrase Conjunction (647 languages)
- Nominal and Verbal Conjunction (634 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (830 languages)
- The Past Tense (887 languages)
- The Future Tense (883 languages)
- The Perfect (785 languages)
- Position of Tense-Aspect Affixes (819 languages)
- The Morphological Imperative (706 languages)
- The Prohibitive (657 languages)
- Imperative-Hortative Systems (482 languages)
- The Optative (668 languages)
- Situational Possibility (531 languages)
- Epistemic Possibility (516 languages)
- Overlap between Situational and Epistemic Modal Marking (444 languages)
- Semantic Distinctions of Evidentiality (606 languages)
- Coding of Evidentiality (644 languages)
- Suppletion According to Tense and Aspect (603 languages)
- Verbal Number and Suppletion (601 languages)
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Word Order
- Order of Subject, Object and Verb (989 languages)
- Order of Subject and Verb (949 languages)
- Order of Object and Verb (942 languages)
- Order of Object, Oblique, and Verb (738 languages)
- Order of Adposition and Noun Phrase (825 languages)
- Order of Genitive and Noun (881 languages)
- Order of Adjective and Noun (914 languages)
- Order of Demonstrative and Noun (810 languages)
- Order of Numeral and Noun (831 languages)
- Order of Relative Clause and Noun (738 languages)
- Order of Degree Word and Adjective (585 languages)
- Position of Polar Question Particles (709 languages)
- Position of Interrogative Phrases in Content Questions (655 languages)
- Order of Adverbial Subordinator and Clause (557 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (664 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (644 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (685 languages)
- Order of Negative Morpheme and Verb (617 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (569 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (738 languages)
- Alignment of Case Marking of Pronouns (698 languages)
- Alignment of Verbal Person Marking (669 languages)
- Expression of Pronominal Subjects (675 languages)
- Verbal Person Marking (745 languages)
- Third Person Zero of Verbal Person Marking (669 languages)
- Order of Person Markers on the Verb (658 languages)
- Ditransitive Constructions: The Verb 'Give' (597 languages)
- Reciprocal Constructions (505 languages)
- Passive Constructions (684 languages)
- Antipassive Constructions (590 languages)
- Applicative Constructions (497 languages)
- Periphrastic Causative Constructions (299 languages)
- Nonperiphrastic Causative Constructions (436 languages)
- Negative Morphemes (697 languages)
- Symmetric and Asymmetric Standard Negation (514 languages)
- Subtypes of Asymmetric Standard Negation (403 languages)
- Negative Indefinite Pronouns and Predicate Negation (362 languages)
- Polar Questions (666 languages)
- Predicative Possession (489 languages)
- Predicative Adjectives (549 languages)
- Nominal and Locational Predication (510 languages)
- Zero Copula for Predicate Nominals (587 languages)
- Comparative Constructions (431 languages)
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Complex Sentences
- Relativization on Subjects (525 languages)
- Relativization on Obliques (481 languages)
- 'Want' Complement Subjects (447 languages)
- Purpose Clauses (395 languages)
- 'When' Clauses (407 languages)
- Reason Clauses (398 languages)
- Utterance Complement Clauses (367 languages)
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Lexicon
- Hand and Arm (732 languages)
- Finger and Hand (712 languages)
- Numeral Bases (800 languages)
- Number of Non-Derived Basic Colour Categories (375 languages)
- Number of Basic Colour Categories (358 languages)
- Green and Blue (575 languages)
- Red and Yellow (576 languages)
- M-T Pronouns (616 languages)
- N-M Pronouns (610 languages)
- Tea (531 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (76 languages)
- Question Particles in Sign Languages (80 languages)
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Other
- Writing Systems (701 languages)
- Para-Linguistic Usages of Clicks (409 languages)
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Conlang-specific
- Conlang type (882 languages)