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Phonology
- Consonant Inventories (1199 languages)
- Vowel Quality Inventories (1211 languages)
- Consonant-Vowel Ratio (1127 languages)
- Voicing in Plosives and Fricatives (1183 languages)
- Voicing and Gaps in Plosive Systems (1147 languages)
- Uvular Consonants (1173 languages)
- Glottalized Consonants (1147 languages)
- Lateral Consonants (1161 languages)
- The Velar Nasal (1168 languages)
- Vowel Nasalization (1155 languages)
- Front Rounded Vowels (1144 languages)
- Syllable Structure (1174 languages)
- Tone (1194 languages)
- Fixed Stress Locations (997 languages)
- Weight-Sensitive Stress (855 languages)
- Weight Factors in Weight-Sensitive Stress Systems (820 languages)
- Rhythm Types (718 languages)
- Absence of Common Consonants (1137 languages)
- Presence of Uncommon Consonants (1135 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (863 languages)
- Exponence of Selected Inflectional Formatives (810 languages)
- Inflectional Synthesis of the Verb (785 languages)
- Locus of Marking in the Clause (802 languages)
- Locus of Marking in Possessive Noun Phrases (787 languages)
- Locus of Marking: Whole-language Typology (734 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (854 languages)
- Reduplication (837 languages)
- Case Syncretism (815 languages)
- Syncretism in Verbal Person/Number Marking (811 languages)
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Nominal Categories
- Number of Genders (1087 languages)
- Sex-based and Non-sex-based Gender Systems (1044 languages)
- Systems of Gender Assignment (1000 languages)
- Coding of Nominal Plurality (1015 languages)
- Occurrence of Nominal Plurality (922 languages)
- Plurality in Independent Personal Pronouns (852 languages)
- The Associative Plural (631 languages)
- Definite Articles (989 languages)
- Indefinite Articles (968 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (890 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (876 languages)
- Distance Contrasts in Demonstratives (797 languages)
- Pronominal and Adnominal Demonstratives (645 languages)
- Third Person Pronouns and Demonstratives (720 languages)
- Gender Distinctions in Independent Personal Pronouns (845 languages)
- Politeness Distinctions in Pronouns (822 languages)
- Indefinite Pronouns (577 languages)
- Intensifiers and Reflexive Pronouns (556 languages)
- Person Marking on Adpositions (725 languages)
- Number of Cases (910 languages)
- Asymmetrical Case-Marking (726 languages)
- Position of Case Affixes (841 languages)
- Comitatives and Instrumentals (677 languages)
- Ordinal Numerals (709 languages)
- Distributive Numerals (501 languages)
- Numeral Classifiers (693 languages)
- Conjunctions and Universal Quantifiers (448 languages)
- Position of Pronominal Possessive Affixes (745 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (764 languages)
- Possessive Classification (719 languages)
- Genitives, Adjectives and Relative Clauses (635 languages)
- Adjectives without Nouns (626 languages)
- Action Nominal Constructions (449 languages)
- Noun Phrase Conjunction (641 languages)
- Nominal and Verbal Conjunction (629 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (823 languages)
- The Past Tense (879 languages)
- The Future Tense (876 languages)
- The Perfect (777 languages)
- Position of Tense-Aspect Affixes (813 languages)
- The Morphological Imperative (701 languages)
- The Prohibitive (651 languages)
- Imperative-Hortative Systems (478 languages)
- The Optative (660 languages)
- Situational Possibility (526 languages)
- Epistemic Possibility (511 languages)
- Overlap between Situational and Epistemic Modal Marking (440 languages)
- Semantic Distinctions of Evidentiality (601 languages)
- Coding of Evidentiality (639 languages)
- Suppletion According to Tense and Aspect (598 languages)
- Verbal Number and Suppletion (596 languages)
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Word Order
- Order of Subject, Object and Verb (981 languages)
- Order of Subject and Verb (941 languages)
- Order of Object and Verb (934 languages)
- Order of Object, Oblique, and Verb (732 languages)
- Order of Adposition and Noun Phrase (816 languages)
- Order of Genitive and Noun (872 languages)
- Order of Adjective and Noun (906 languages)
- Order of Demonstrative and Noun (804 languages)
- Order of Numeral and Noun (823 languages)
- Order of Relative Clause and Noun (733 languages)
- Order of Degree Word and Adjective (580 languages)
- Position of Polar Question Particles (703 languages)
- Position of Interrogative Phrases in Content Questions (650 languages)
- Order of Adverbial Subordinator and Clause (552 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (659 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (640 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (680 languages)
- Order of Negative Morpheme and Verb (610 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (563 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (733 languages)
- Alignment of Case Marking of Pronouns (692 languages)
- Alignment of Verbal Person Marking (664 languages)
- Expression of Pronominal Subjects (670 languages)
- Verbal Person Marking (740 languages)
- Third Person Zero of Verbal Person Marking (664 languages)
- Order of Person Markers on the Verb (654 languages)
- Ditransitive Constructions: The Verb 'Give' (592 languages)
- Reciprocal Constructions (498 languages)
- Passive Constructions (679 languages)
- Antipassive Constructions (585 languages)
- Applicative Constructions (493 languages)
- Periphrastic Causative Constructions (297 languages)
- Nonperiphrastic Causative Constructions (433 languages)
- Negative Morphemes (692 languages)
- Symmetric and Asymmetric Standard Negation (508 languages)
- Subtypes of Asymmetric Standard Negation (401 languages)
- Negative Indefinite Pronouns and Predicate Negation (359 languages)
- Polar Questions (660 languages)
- Predicative Possession (485 languages)
- Predicative Adjectives (545 languages)
- Nominal and Locational Predication (506 languages)
- Zero Copula for Predicate Nominals (582 languages)
- Comparative Constructions (425 languages)
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Complex Sentences
- Relativization on Subjects (520 languages)
- Relativization on Obliques (476 languages)
- 'Want' Complement Subjects (441 languages)
- Purpose Clauses (390 languages)
- 'When' Clauses (402 languages)
- Reason Clauses (393 languages)
- Utterance Complement Clauses (362 languages)
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Lexicon
- Hand and Arm (725 languages)
- Finger and Hand (705 languages)
- Numeral Bases (792 languages)
- Number of Non-Derived Basic Colour Categories (369 languages)
- Number of Basic Colour Categories (353 languages)
- Green and Blue (567 languages)
- Red and Yellow (568 languages)
- M-T Pronouns (609 languages)
- N-M Pronouns (603 languages)
- Tea (525 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (76 languages)
- Question Particles in Sign Languages (79 languages)
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Other
- Writing Systems (695 languages)
- Para-Linguistic Usages of Clicks (405 languages)
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Conlang-specific
- Conlang type (874 languages)