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Phonology
- Consonant Inventories (1214 languages)
- Vowel Quality Inventories (1227 languages)
- Consonant-Vowel Ratio (1142 languages)
- Voicing in Plosives and Fricatives (1198 languages)
- Voicing and Gaps in Plosive Systems (1161 languages)
- Uvular Consonants (1188 languages)
- Glottalized Consonants (1163 languages)
- Lateral Consonants (1176 languages)
- The Velar Nasal (1183 languages)
- Vowel Nasalization (1171 languages)
- Front Rounded Vowels (1158 languages)
- Syllable Structure (1189 languages)
- Tone (1209 languages)
- Fixed Stress Locations (1010 languages)
- Weight-Sensitive Stress (870 languages)
- Weight Factors in Weight-Sensitive Stress Systems (833 languages)
- Rhythm Types (732 languages)
- Absence of Common Consonants (1151 languages)
- Presence of Uncommon Consonants (1149 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (873 languages)
- Exponence of Selected Inflectional Formatives (821 languages)
- Inflectional Synthesis of the Verb (795 languages)
- Locus of Marking in the Clause (813 languages)
- Locus of Marking in Possessive Noun Phrases (798 languages)
- Locus of Marking: Whole-language Typology (747 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (867 languages)
- Reduplication (852 languages)
- Case Syncretism (828 languages)
- Syncretism in Verbal Person/Number Marking (822 languages)
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Nominal Categories
- Number of Genders (1101 languages)
- Sex-based and Non-sex-based Gender Systems (1058 languages)
- Systems of Gender Assignment (1014 languages)
- Coding of Nominal Plurality (1029 languages)
- Occurrence of Nominal Plurality (936 languages)
- Plurality in Independent Personal Pronouns (866 languages)
- The Associative Plural (647 languages)
- Definite Articles (1003 languages)
- Indefinite Articles (982 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (904 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (889 languages)
- Distance Contrasts in Demonstratives (810 languages)
- Pronominal and Adnominal Demonstratives (658 languages)
- Third Person Pronouns and Demonstratives (732 languages)
- Gender Distinctions in Independent Personal Pronouns (859 languages)
- Politeness Distinctions in Pronouns (836 languages)
- Indefinite Pronouns (591 languages)
- Intensifiers and Reflexive Pronouns (570 languages)
- Person Marking on Adpositions (738 languages)
- Number of Cases (923 languages)
- Asymmetrical Case-Marking (740 languages)
- Position of Case Affixes (855 languages)
- Comitatives and Instrumentals (690 languages)
- Ordinal Numerals (724 languages)
- Distributive Numerals (512 languages)
- Numeral Classifiers (708 languages)
- Conjunctions and Universal Quantifiers (459 languages)
- Position of Pronominal Possessive Affixes (756 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (777 languages)
- Possessive Classification (731 languages)
- Genitives, Adjectives and Relative Clauses (645 languages)
- Adjectives without Nouns (638 languages)
- Action Nominal Constructions (456 languages)
- Noun Phrase Conjunction (651 languages)
- Nominal and Verbal Conjunction (637 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (833 languages)
- The Past Tense (890 languages)
- The Future Tense (886 languages)
- The Perfect (788 languages)
- Position of Tense-Aspect Affixes (825 languages)
- The Morphological Imperative (712 languages)
- The Prohibitive (663 languages)
- Imperative-Hortative Systems (486 languages)
- The Optative (671 languages)
- Situational Possibility (535 languages)
- Epistemic Possibility (519 languages)
- Overlap between Situational and Epistemic Modal Marking (447 languages)
- Semantic Distinctions of Evidentiality (609 languages)
- Coding of Evidentiality (648 languages)
- Suppletion According to Tense and Aspect (605 languages)
- Verbal Number and Suppletion (604 languages)
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Word Order
- Order of Subject, Object and Verb (992 languages)
- Order of Subject and Verb (952 languages)
- Order of Object and Verb (945 languages)
- Order of Object, Oblique, and Verb (744 languages)
- Order of Adposition and Noun Phrase (829 languages)
- Order of Genitive and Noun (885 languages)
- Order of Adjective and Noun (918 languages)
- Order of Demonstrative and Noun (815 languages)
- Order of Numeral and Noun (836 languages)
- Order of Relative Clause and Noun (744 languages)
- Order of Degree Word and Adjective (587 languages)
- Position of Polar Question Particles (714 languages)
- Position of Interrogative Phrases in Content Questions (661 languages)
- Order of Adverbial Subordinator and Clause (563 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (668 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (650 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (689 languages)
- Order of Negative Morpheme and Verb (620 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (573 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (741 languages)
- Alignment of Case Marking of Pronouns (701 languages)
- Alignment of Verbal Person Marking (672 languages)
- Expression of Pronominal Subjects (678 languages)
- Verbal Person Marking (749 languages)
- Third Person Zero of Verbal Person Marking (674 languages)
- Order of Person Markers on the Verb (663 languages)
- Ditransitive Constructions: The Verb 'Give' (601 languages)
- Reciprocal Constructions (509 languages)
- Passive Constructions (688 languages)
- Antipassive Constructions (593 languages)
- Applicative Constructions (500 languages)
- Periphrastic Causative Constructions (300 languages)
- Nonperiphrastic Causative Constructions (438 languages)
- Negative Morphemes (701 languages)
- Symmetric and Asymmetric Standard Negation (518 languages)
- Subtypes of Asymmetric Standard Negation (407 languages)
- Negative Indefinite Pronouns and Predicate Negation (364 languages)
- Polar Questions (672 languages)
- Predicative Possession (492 languages)
- Predicative Adjectives (552 languages)
- Nominal and Locational Predication (515 languages)
- Zero Copula for Predicate Nominals (593 languages)
- Comparative Constructions (436 languages)
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Complex Sentences
- Relativization on Subjects (528 languages)
- Relativization on Obliques (484 languages)
- 'Want' Complement Subjects (448 languages)
- Purpose Clauses (396 languages)
- 'When' Clauses (408 languages)
- Reason Clauses (399 languages)
- Utterance Complement Clauses (368 languages)
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Lexicon
- Hand and Arm (736 languages)
- Finger and Hand (716 languages)
- Numeral Bases (805 languages)
- Number of Non-Derived Basic Colour Categories (377 languages)
- Number of Basic Colour Categories (361 languages)
- Green and Blue (579 languages)
- Red and Yellow (579 languages)
- M-T Pronouns (619 languages)
- N-M Pronouns (613 languages)
- Tea (534 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 (705 languages)
- Para-Linguistic Usages of Clicks (411 languages)
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Conlang-specific
- Conlang type (885 languages)