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Phonology
- Consonant Inventories (1233 languages)
- Vowel Quality Inventories (1246 languages)
- Consonant-Vowel Ratio (1159 languages)
- Voicing in Plosives and Fricatives (1217 languages)
- Voicing and Gaps in Plosive Systems (1177 languages)
- Uvular Consonants (1205 languages)
- Glottalized Consonants (1180 languages)
- Lateral Consonants (1194 languages)
- The Velar Nasal (1201 languages)
- Vowel Nasalization (1189 languages)
- Front Rounded Vowels (1176 languages)
- Syllable Structure (1207 languages)
- Tone (1228 languages)
- Fixed Stress Locations (1026 languages)
- Weight-Sensitive Stress (884 languages)
- Weight Factors in Weight-Sensitive Stress Systems (847 languages)
- Rhythm Types (747 languages)
- Absence of Common Consonants (1166 languages)
- Presence of Uncommon Consonants (1166 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (888 languages)
- Exponence of Selected Inflectional Formatives (835 languages)
- Inflectional Synthesis of the Verb (807 languages)
- Locus of Marking in the Clause (825 languages)
- Locus of Marking in Possessive Noun Phrases (810 languages)
- Locus of Marking: Whole-language Typology (759 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (882 languages)
- Reduplication (867 languages)
- Case Syncretism (842 languages)
- Syncretism in Verbal Person/Number Marking (839 languages)
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Nominal Categories
- Number of Genders (1116 languages)
- Sex-based and Non-sex-based Gender Systems (1073 languages)
- Systems of Gender Assignment (1027 languages)
- Coding of Nominal Plurality (1042 languages)
- Occurrence of Nominal Plurality (948 languages)
- Plurality in Independent Personal Pronouns (878 languages)
- The Associative Plural (659 languages)
- Definite Articles (1017 languages)
- Indefinite Articles (995 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (918 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (903 languages)
- Distance Contrasts in Demonstratives (822 languages)
- Pronominal and Adnominal Demonstratives (668 languages)
- Third Person Pronouns and Demonstratives (740 languages)
- Gender Distinctions in Independent Personal Pronouns (870 languages)
- Politeness Distinctions in Pronouns (846 languages)
- Indefinite Pronouns (599 languages)
- Intensifiers and Reflexive Pronouns (580 languages)
- Person Marking on Adpositions (747 languages)
- Number of Cases (937 languages)
- Asymmetrical Case-Marking (750 languages)
- Position of Case Affixes (868 languages)
- Comitatives and Instrumentals (698 languages)
- Ordinal Numerals (735 languages)
- Distributive Numerals (519 languages)
- Numeral Classifiers (717 languages)
- Conjunctions and Universal Quantifiers (465 languages)
- Position of Pronominal Possessive Affixes (765 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (786 languages)
- Possessive Classification (739 languages)
- Genitives, Adjectives and Relative Clauses (652 languages)
- Adjectives without Nouns (648 languages)
- Action Nominal Constructions (463 languages)
- Noun Phrase Conjunction (658 languages)
- Nominal and Verbal Conjunction (644 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (844 languages)
- The Past Tense (902 languages)
- The Future Tense (898 languages)
- The Perfect (796 languages)
- Position of Tense-Aspect Affixes (835 languages)
- The Morphological Imperative (721 languages)
- The Prohibitive (671 languages)
- Imperative-Hortative Systems (490 languages)
- The Optative (679 languages)
- Situational Possibility (541 languages)
- Epistemic Possibility (525 languages)
- Overlap between Situational and Epistemic Modal Marking (453 languages)
- Semantic Distinctions of Evidentiality (619 languages)
- Coding of Evidentiality (657 languages)
- Suppletion According to Tense and Aspect (612 languages)
- Verbal Number and Suppletion (613 languages)
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Word Order
- Order of Subject, Object and Verb (1006 languages)
- Order of Subject and Verb (966 languages)
- Order of Object and Verb (959 languages)
- Order of Object, Oblique, and Verb (757 languages)
- Order of Adposition and Noun Phrase (840 languages)
- Order of Genitive and Noun (896 languages)
- Order of Adjective and Noun (930 languages)
- Order of Demonstrative and Noun (825 languages)
- Order of Numeral and Noun (848 languages)
- Order of Relative Clause and Noun (753 languages)
- Order of Degree Word and Adjective (596 languages)
- Position of Polar Question Particles (723 languages)
- Position of Interrogative Phrases in Content Questions (670 languages)
- Order of Adverbial Subordinator and Clause (570 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (678 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (657 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (697 languages)
- Order of Negative Morpheme and Verb (628 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (580 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (748 languages)
- Alignment of Case Marking of Pronouns (708 languages)
- Alignment of Verbal Person Marking (683 languages)
- Expression of Pronominal Subjects (684 languages)
- Verbal Person Marking (758 languages)
- Third Person Zero of Verbal Person Marking (680 languages)
- Order of Person Markers on the Verb (670 languages)
- Ditransitive Constructions: The Verb 'Give' (607 languages)
- Reciprocal Constructions (515 languages)
- Passive Constructions (694 languages)
- Antipassive Constructions (599 languages)
- Applicative Constructions (506 languages)
- Periphrastic Causative Constructions (304 languages)
- Nonperiphrastic Causative Constructions (444 languages)
- Negative Morphemes (708 languages)
- Symmetric and Asymmetric Standard Negation (523 languages)
- Subtypes of Asymmetric Standard Negation (411 languages)
- Negative Indefinite Pronouns and Predicate Negation (369 languages)
- Polar Questions (677 languages)
- Predicative Possession (497 languages)
- Predicative Adjectives (558 languages)
- Nominal and Locational Predication (520 languages)
- Zero Copula for Predicate Nominals (600 languages)
- Comparative Constructions (441 languages)
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Complex Sentences
- Relativization on Subjects (536 languages)
- Relativization on Obliques (492 languages)
- 'Want' Complement Subjects (455 languages)
- Purpose Clauses (401 languages)
- 'When' Clauses (413 languages)
- Reason Clauses (404 languages)
- Utterance Complement Clauses (373 languages)
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Lexicon
- Hand and Arm (745 languages)
- Finger and Hand (725 languages)
- Numeral Bases (817 languages)
- Number of Non-Derived Basic Colour Categories (384 languages)
- Number of Basic Colour Categories (366 languages)
- Green and Blue (585 languages)
- Red and Yellow (585 languages)
- M-T Pronouns (629 languages)
- N-M Pronouns (623 languages)
- Tea (543 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (79 languages)
- Question Particles in Sign Languages (83 languages)
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Other
- Writing Systems (716 languages)
- Para-Linguistic Usages of Clicks (419 languages)
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Conlang-specific
- Conlang type (898 languages)