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Phonology
- Consonant Inventories (1203 languages)
- Vowel Quality Inventories (1215 languages)
- Consonant-Vowel Ratio (1131 languages)
- Voicing in Plosives and Fricatives (1187 languages)
- Voicing and Gaps in Plosive Systems (1151 languages)
- Uvular Consonants (1177 languages)
- Glottalized Consonants (1151 languages)
- Lateral Consonants (1165 languages)
- The Velar Nasal (1172 languages)
- Vowel Nasalization (1159 languages)
- Front Rounded Vowels (1148 languages)
- Syllable Structure (1178 languages)
- Tone (1198 languages)
- Fixed Stress Locations (1000 languages)
- Weight-Sensitive Stress (858 languages)
- Weight Factors in Weight-Sensitive Stress Systems (823 languages)
- Rhythm Types (721 languages)
- Absence of Common Consonants (1141 languages)
- Presence of Uncommon Consonants (1139 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (866 languages)
- Exponence of Selected Inflectional Formatives (813 languages)
- Inflectional Synthesis of the Verb (788 languages)
- Locus of Marking in the Clause (806 languages)
- Locus of Marking in Possessive Noun Phrases (791 languages)
- Locus of Marking: Whole-language Typology (738 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (858 languages)
- Reduplication (841 languages)
- Case Syncretism (819 languages)
- Syncretism in Verbal Person/Number Marking (815 languages)
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Nominal Categories
- Number of Genders (1091 languages)
- Sex-based and Non-sex-based Gender Systems (1048 languages)
- Systems of Gender Assignment (1004 languages)
- Coding of Nominal Plurality (1019 languages)
- Occurrence of Nominal Plurality (926 languages)
- Plurality in Independent Personal Pronouns (856 languages)
- The Associative Plural (635 languages)
- Definite Articles (993 languages)
- Indefinite Articles (972 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (894 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (880 languages)
- Distance Contrasts in Demonstratives (800 languages)
- Pronominal and Adnominal Demonstratives (648 languages)
- Third Person Pronouns and Demonstratives (723 languages)
- Gender Distinctions in Independent Personal Pronouns (848 languages)
- Politeness Distinctions in Pronouns (825 languages)
- Indefinite Pronouns (579 languages)
- Intensifiers and Reflexive Pronouns (559 languages)
- Person Marking on Adpositions (728 languages)
- Number of Cases (913 languages)
- Asymmetrical Case-Marking (728 languages)
- Position of Case Affixes (844 languages)
- Comitatives and Instrumentals (680 languages)
- Ordinal Numerals (712 languages)
- Distributive Numerals (503 languages)
- Numeral Classifiers (696 languages)
- Conjunctions and Universal Quantifiers (451 languages)
- Position of Pronominal Possessive Affixes (747 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (766 languages)
- Possessive Classification (722 languages)
- Genitives, Adjectives and Relative Clauses (637 languages)
- Adjectives without Nouns (629 languages)
- Action Nominal Constructions (451 languages)
- Noun Phrase Conjunction (644 languages)
- Nominal and Verbal Conjunction (631 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (825 languages)
- The Past Tense (880 languages)
- The Future Tense (878 languages)
- The Perfect (778 languages)
- Position of Tense-Aspect Affixes (814 languages)
- The Morphological Imperative (703 languages)
- The Prohibitive (652 languages)
- Imperative-Hortative Systems (479 languages)
- The Optative (662 languages)
- Situational Possibility (528 languages)
- Epistemic Possibility (512 languages)
- Overlap between Situational and Epistemic Modal Marking (441 languages)
- Semantic Distinctions of Evidentiality (603 languages)
- Coding of Evidentiality (641 languages)
- Suppletion According to Tense and Aspect (599 languages)
- Verbal Number and Suppletion (598 languages)
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Word Order
- Order of Subject, Object and Verb (983 languages)
- Order of Subject and Verb (943 languages)
- Order of Object and Verb (936 languages)
- Order of Object, Oblique, and Verb (734 languages)
- Order of Adposition and Noun Phrase (818 languages)
- Order of Genitive and Noun (874 languages)
- Order of Adjective and Noun (908 languages)
- Order of Demonstrative and Noun (806 languages)
- Order of Numeral and Noun (825 languages)
- Order of Relative Clause and Noun (735 languages)
- Order of Degree Word and Adjective (582 languages)
- Position of Polar Question Particles (705 languages)
- Position of Interrogative Phrases in Content Questions (651 languages)
- Order of Adverbial Subordinator and Clause (553 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (660 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (641 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (681 languages)
- Order of Negative Morpheme and Verb (612 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (565 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (735 languages)
- Alignment of Case Marking of Pronouns (694 languages)
- Alignment of Verbal Person Marking (665 languages)
- Expression of Pronominal Subjects (672 languages)
- Verbal Person Marking (742 languages)
- Third Person Zero of Verbal Person Marking (666 languages)
- Order of Person Markers on the Verb (655 languages)
- Ditransitive Constructions: The Verb 'Give' (592 languages)
- Reciprocal Constructions (501 languages)
- Passive Constructions (681 languages)
- Antipassive Constructions (588 languages)
- Applicative Constructions (495 languages)
- Periphrastic Causative Constructions (297 languages)
- Nonperiphrastic Causative Constructions (433 languages)
- Negative Morphemes (694 languages)
- Symmetric and Asymmetric Standard Negation (510 languages)
- Subtypes of Asymmetric Standard Negation (401 languages)
- Negative Indefinite Pronouns and Predicate Negation (360 languages)
- Polar Questions (662 languages)
- Predicative Possession (487 languages)
- Predicative Adjectives (546 languages)
- Nominal and Locational Predication (507 languages)
- Zero Copula for Predicate Nominals (584 languages)
- Comparative Constructions (428 languages)
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Complex Sentences
- Relativization on Subjects (521 languages)
- Relativization on Obliques (477 languages)
- 'Want' Complement Subjects (442 languages)
- Purpose Clauses (391 languages)
- 'When' Clauses (403 languages)
- Reason Clauses (394 languages)
- Utterance Complement Clauses (363 languages)
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Lexicon
- Hand and Arm (727 languages)
- Finger and Hand (707 languages)
- Numeral Bases (793 languages)
- Number of Non-Derived Basic Colour Categories (370 languages)
- Number of Basic Colour Categories (354 languages)
- Green and Blue (569 languages)
- Red and Yellow (570 languages)
- M-T Pronouns (611 languages)
- N-M Pronouns (605 languages)
- Tea (527 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (77 languages)
- Question Particles in Sign Languages (80 languages)
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Other
- Writing Systems (697 languages)
- Para-Linguistic Usages of Clicks (405 languages)
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Conlang-specific
- Conlang type (876 languages)