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Phonology
- Consonant Inventories (1148 languages)
- Vowel Quality Inventories (1161 languages)
- Consonant-Vowel Ratio (1080 languages)
- Voicing in Plosives and Fricatives (1135 languages)
- Voicing and Gaps in Plosive Systems (1099 languages)
- Uvular Consonants (1125 languages)
- Glottalized Consonants (1099 languages)
- Lateral Consonants (1114 languages)
- The Velar Nasal (1120 languages)
- Vowel Nasalization (1108 languages)
- Front Rounded Vowels (1096 languages)
- Syllable Structure (1125 languages)
- Tone (1144 languages)
- Fixed Stress Locations (951 languages)
- Weight-Sensitive Stress (813 languages)
- Weight Factors in Weight-Sensitive Stress Systems (779 languages)
- Rhythm Types (678 languages)
- Absence of Common Consonants (1088 languages)
- Presence of Uncommon Consonants (1087 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (826 languages)
- Exponence of Selected Inflectional Formatives (772 languages)
- Inflectional Synthesis of the Verb (747 languages)
- Locus of Marking in the Clause (764 languages)
- Locus of Marking in Possessive Noun Phrases (750 languages)
- Locus of Marking: Whole-language Typology (698 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (812 languages)
- Reduplication (793 languages)
- Case Syncretism (775 languages)
- Syncretism in Verbal Person/Number Marking (772 languages)
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Nominal Categories
- Number of Genders (1041 languages)
- Sex-based and Non-sex-based Gender Systems (1000 languages)
- Systems of Gender Assignment (955 languages)
- Coding of Nominal Plurality (972 languages)
- Occurrence of Nominal Plurality (879 languages)
- Plurality in Independent Personal Pronouns (814 languages)
- The Associative Plural (598 languages)
- Definite Articles (944 languages)
- Indefinite Articles (921 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (844 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (833 languages)
- Distance Contrasts in Demonstratives (757 languages)
- Pronominal and Adnominal Demonstratives (609 languages)
- Third Person Pronouns and Demonstratives (679 languages)
- Gender Distinctions in Independent Personal Pronouns (804 languages)
- Politeness Distinctions in Pronouns (780 languages)
- Indefinite Pronouns (540 languages)
- Intensifiers and Reflexive Pronouns (522 languages)
- Person Marking on Adpositions (687 languages)
- Number of Cases (868 languages)
- Asymmetrical Case-Marking (690 languages)
- Position of Case Affixes (803 languages)
- Comitatives and Instrumentals (643 languages)
- Ordinal Numerals (669 languages)
- Distributive Numerals (470 languages)
- Numeral Classifiers (651 languages)
- Conjunctions and Universal Quantifiers (415 languages)
- Position of Pronominal Possessive Affixes (707 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (726 languages)
- Possessive Classification (679 languages)
- Genitives, Adjectives and Relative Clauses (599 languages)
- Adjectives without Nouns (589 languages)
- Action Nominal Constructions (420 languages)
- Noun Phrase Conjunction (607 languages)
- Nominal and Verbal Conjunction (595 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (786 languages)
- The Past Tense (839 languages)
- The Future Tense (835 languages)
- The Perfect (739 languages)
- Position of Tense-Aspect Affixes (777 languages)
- The Morphological Imperative (668 languages)
- The Prohibitive (615 languages)
- Imperative-Hortative Systems (449 languages)
- The Optative (626 languages)
- Situational Possibility (495 languages)
- Epistemic Possibility (481 languages)
- Overlap between Situational and Epistemic Modal Marking (413 languages)
- Semantic Distinctions of Evidentiality (566 languages)
- Coding of Evidentiality (600 languages)
- Suppletion According to Tense and Aspect (565 languages)
- Verbal Number and Suppletion (558 languages)
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Word Order
- Order of Subject, Object and Verb (937 languages)
- Order of Subject and Verb (897 languages)
- Order of Object and Verb (890 languages)
- Order of Object, Oblique, and Verb (691 languages)
- Order of Adposition and Noun Phrase (778 languages)
- Order of Genitive and Noun (830 languages)
- Order of Adjective and Noun (864 languages)
- Order of Demonstrative and Noun (765 languages)
- Order of Numeral and Noun (781 languages)
- Order of Relative Clause and Noun (695 languages)
- Order of Degree Word and Adjective (542 languages)
- Position of Polar Question Particles (663 languages)
- Position of Interrogative Phrases in Content Questions (611 languages)
- Order of Adverbial Subordinator and Clause (517 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (623 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (603 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (644 languages)
- Order of Negative Morpheme and Verb (572 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (525 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (698 languages)
- Alignment of Case Marking of Pronouns (657 languages)
- Alignment of Verbal Person Marking (633 languages)
- Expression of Pronominal Subjects (635 languages)
- Verbal Person Marking (705 languages)
- Third Person Zero of Verbal Person Marking (632 languages)
- Order of Person Markers on the Verb (621 languages)
- Ditransitive Constructions: The Verb 'Give' (557 languages)
- Reciprocal Constructions (468 languages)
- Passive Constructions (645 languages)
- Antipassive Constructions (552 languages)
- Applicative Constructions (462 languages)
- Periphrastic Causative Constructions (272 languages)
- Nonperiphrastic Causative Constructions (406 languages)
- Negative Morphemes (654 languages)
- Symmetric and Asymmetric Standard Negation (476 languages)
- Subtypes of Asymmetric Standard Negation (376 languages)
- Negative Indefinite Pronouns and Predicate Negation (331 languages)
- Polar Questions (625 languages)
- Predicative Possession (455 languages)
- Predicative Adjectives (516 languages)
- Nominal and Locational Predication (476 languages)
- Zero Copula for Predicate Nominals (549 languages)
- Comparative Constructions (398 languages)
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Complex Sentences
- Relativization on Subjects (494 languages)
- Relativization on Obliques (450 languages)
- 'Want' Complement Subjects (415 languages)
- Purpose Clauses (362 languages)
- 'When' Clauses (375 languages)
- Reason Clauses (366 languages)
- Utterance Complement Clauses (336 languages)
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Lexicon
- Hand and Arm (681 languages)
- Finger and Hand (663 languages)
- Numeral Bases (746 languages)
- Number of Non-Derived Basic Colour Categories (333 languages)
- Number of Basic Colour Categories (317 languages)
- Green and Blue (523 languages)
- Red and Yellow (524 languages)
- M-T Pronouns (573 languages)
- N-M Pronouns (567 languages)
- Tea (486 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (69 languages)
- Question Particles in Sign Languages (72 languages)
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Other
- Writing Systems (652 languages)
- Para-Linguistic Usages of Clicks (374 languages)
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Conlang-specific
- Conlang type (831 languages)