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Phonology
- Consonant Inventories (1177 languages)
- Vowel Quality Inventories (1189 languages)
- Consonant-Vowel Ratio (1107 languages)
- Voicing in Plosives and Fricatives (1161 languages)
- Voicing and Gaps in Plosive Systems (1126 languages)
- Uvular Consonants (1150 languages)
- Glottalized Consonants (1125 languages)
- Lateral Consonants (1139 languages)
- The Velar Nasal (1146 languages)
- Vowel Nasalization (1133 languages)
- Front Rounded Vowels (1122 languages)
- Syllable Structure (1152 languages)
- Tone (1172 languages)
- Fixed Stress Locations (975 languages)
- Weight-Sensitive Stress (834 languages)
- Weight Factors in Weight-Sensitive Stress Systems (800 languages)
- Rhythm Types (698 languages)
- Absence of Common Consonants (1115 languages)
- Presence of Uncommon Consonants (1113 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (849 languages)
- Exponence of Selected Inflectional Formatives (797 languages)
- Inflectional Synthesis of the Verb (773 languages)
- Locus of Marking in the Clause (789 languages)
- Locus of Marking in Possessive Noun Phrases (773 languages)
- Locus of Marking: Whole-language Typology (720 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (837 languages)
- Reduplication (817 languages)
- Case Syncretism (801 languages)
- Syncretism in Verbal Person/Number Marking (796 languages)
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Nominal Categories
- Number of Genders (1070 languages)
- Sex-based and Non-sex-based Gender Systems (1027 languages)
- Systems of Gender Assignment (982 languages)
- Coding of Nominal Plurality (997 languages)
- Occurrence of Nominal Plurality (904 languages)
- Plurality in Independent Personal Pronouns (838 languages)
- The Associative Plural (619 languages)
- Definite Articles (969 languages)
- Indefinite Articles (947 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (870 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (856 languages)
- Distance Contrasts in Demonstratives (780 languages)
- Pronominal and Adnominal Demonstratives (630 languages)
- Third Person Pronouns and Demonstratives (702 languages)
- Gender Distinctions in Independent Personal Pronouns (828 languages)
- Politeness Distinctions in Pronouns (804 languages)
- Indefinite Pronouns (564 languages)
- Intensifiers and Reflexive Pronouns (542 languages)
- Person Marking on Adpositions (708 languages)
- Number of Cases (894 languages)
- Asymmetrical Case-Marking (713 languages)
- Position of Case Affixes (827 languages)
- Comitatives and Instrumentals (663 languages)
- Ordinal Numerals (693 languages)
- Distributive Numerals (487 languages)
- Numeral Classifiers (674 languages)
- Conjunctions and Universal Quantifiers (435 languages)
- Position of Pronominal Possessive Affixes (730 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (747 languages)
- Possessive Classification (701 languages)
- Genitives, Adjectives and Relative Clauses (621 languages)
- Adjectives without Nouns (612 languages)
- Action Nominal Constructions (439 languages)
- Noun Phrase Conjunction (628 languages)
- Nominal and Verbal Conjunction (616 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (808 languages)
- The Past Tense (864 languages)
- The Future Tense (860 languages)
- The Perfect (763 languages)
- Position of Tense-Aspect Affixes (799 languages)
- The Morphological Imperative (688 languages)
- The Prohibitive (636 languages)
- Imperative-Hortative Systems (469 languages)
- The Optative (645 languages)
- Situational Possibility (513 languages)
- Epistemic Possibility (499 languages)
- Overlap between Situational and Epistemic Modal Marking (431 languages)
- Semantic Distinctions of Evidentiality (587 languages)
- Coding of Evidentiality (623 languages)
- Suppletion According to Tense and Aspect (585 languages)
- Verbal Number and Suppletion (579 languages)
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Word Order
- Order of Subject, Object and Verb (963 languages)
- Order of Subject and Verb (923 languages)
- Order of Object and Verb (916 languages)
- Order of Object, Oblique, and Verb (714 languages)
- Order of Adposition and Noun Phrase (799 languages)
- Order of Genitive and Noun (854 languages)
- Order of Adjective and Noun (889 languages)
- Order of Demonstrative and Noun (788 languages)
- Order of Numeral and Noun (805 languages)
- Order of Relative Clause and Noun (718 languages)
- Order of Degree Word and Adjective (564 languages)
- Position of Polar Question Particles (685 languages)
- Position of Interrogative Phrases in Content Questions (634 languages)
- Order of Adverbial Subordinator and Clause (539 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (644 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (625 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (666 languages)
- Order of Negative Morpheme and Verb (595 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (547 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (720 languages)
- Alignment of Case Marking of Pronouns (679 languages)
- Alignment of Verbal Person Marking (653 languages)
- Expression of Pronominal Subjects (656 languages)
- Verbal Person Marking (725 languages)
- Third Person Zero of Verbal Person Marking (652 languages)
- Order of Person Markers on the Verb (641 languages)
- Ditransitive Constructions: The Verb 'Give' (579 languages)
- Reciprocal Constructions (487 languages)
- Passive Constructions (664 languages)
- Antipassive Constructions (571 languages)
- Applicative Constructions (481 languages)
- Periphrastic Causative Constructions (288 languages)
- Nonperiphrastic Causative Constructions (423 languages)
- Negative Morphemes (677 languages)
- Symmetric and Asymmetric Standard Negation (496 languages)
- Subtypes of Asymmetric Standard Negation (394 languages)
- Negative Indefinite Pronouns and Predicate Negation (348 languages)
- Polar Questions (644 languages)
- Predicative Possession (476 languages)
- Predicative Adjectives (536 languages)
- Nominal and Locational Predication (498 languages)
- Zero Copula for Predicate Nominals (570 languages)
- Comparative Constructions (416 languages)
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Complex Sentences
- Relativization on Subjects (512 languages)
- Relativization on Obliques (467 languages)
- 'Want' Complement Subjects (433 languages)
- Purpose Clauses (382 languages)
- 'When' Clauses (394 languages)
- Reason Clauses (385 languages)
- Utterance Complement Clauses (353 languages)
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Lexicon
- Hand and Arm (706 languages)
- Finger and Hand (686 languages)
- Numeral Bases (773 languages)
- Number of Non-Derived Basic Colour Categories (356 languages)
- Number of Basic Colour Categories (339 languages)
- Green and Blue (547 languages)
- Red and Yellow (548 languages)
- M-T Pronouns (596 languages)
- N-M Pronouns (590 languages)
- Tea (507 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (75 languages)
- Question Particles in Sign Languages (78 languages)
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Other
- Writing Systems (674 languages)
- Para-Linguistic Usages of Clicks (392 languages)
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Conlang-specific
- Conlang type (856 languages)