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Phonology
- Consonant Inventories (1147 languages)
- Vowel Quality Inventories (1160 languages)
- Consonant-Vowel Ratio (1079 languages)
- Voicing in Plosives and Fricatives (1133 languages)
- Voicing and Gaps in Plosive Systems (1098 languages)
- Uvular Consonants (1124 languages)
- Glottalized Consonants (1098 languages)
- Lateral Consonants (1113 languages)
- The Velar Nasal (1118 languages)
- Vowel Nasalization (1107 languages)
- Front Rounded Vowels (1095 languages)
- Syllable Structure (1124 languages)
- Tone (1143 languages)
- Fixed Stress Locations (951 languages)
- Weight-Sensitive Stress (813 languages)
- Weight Factors in Weight-Sensitive Stress Systems (779 languages)
- Rhythm Types (678 languages)
- Absence of Common Consonants (1087 languages)
- Presence of Uncommon Consonants (1086 languages)
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Morphology
- Fusion of Selected Inflectional Formatives (825 languages)
- Exponence of Selected Inflectional Formatives (771 languages)
- Inflectional Synthesis of the Verb (746 languages)
- Locus of Marking in the Clause (763 languages)
- Locus of Marking in Possessive Noun Phrases (749 languages)
- Locus of Marking: Whole-language Typology (697 languages)
- Prefixing vs. Suffixing in Inflectional Morphology (811 languages)
- Reduplication (792 languages)
- Case Syncretism (774 languages)
- Syncretism in Verbal Person/Number Marking (771 languages)
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Nominal Categories
- Number of Genders (1040 languages)
- Sex-based and Non-sex-based Gender Systems (999 languages)
- Systems of Gender Assignment (954 languages)
- Coding of Nominal Plurality (971 languages)
- Occurrence of Nominal Plurality (879 languages)
- Plurality in Independent Personal Pronouns (813 languages)
- The Associative Plural (597 languages)
- Definite Articles (942 languages)
- Indefinite Articles (919 languages)
- Inclusive/Exclusive Distinction in Independent Pronouns (843 languages)
- Inclusive/Exclusive Distinction in Verbal Inflection (832 languages)
- Distance Contrasts in Demonstratives (756 languages)
- Pronominal and Adnominal Demonstratives (609 languages)
- Third Person Pronouns and Demonstratives (679 languages)
- Gender Distinctions in Independent Personal Pronouns (804 languages)
- Politeness Distinctions in Pronouns (779 languages)
- Indefinite Pronouns (540 languages)
- Intensifiers and Reflexive Pronouns (522 languages)
- Person Marking on Adpositions (686 languages)
- Number of Cases (867 languages)
- Asymmetrical Case-Marking (689 languages)
- Position of Case Affixes (802 languages)
- Comitatives and Instrumentals (642 languages)
- Ordinal Numerals (668 languages)
- Distributive Numerals (469 languages)
- Numeral Classifiers (650 languages)
- Conjunctions and Universal Quantifiers (414 languages)
- Position of Pronominal Possessive Affixes (706 languages)
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Nominal Syntax
- Obligatory Possessive Inflection (725 languages)
- Possessive Classification (678 languages)
- Genitives, Adjectives and Relative Clauses (598 languages)
- Adjectives without Nouns (588 languages)
- Action Nominal Constructions (419 languages)
- Noun Phrase Conjunction (606 languages)
- Nominal and Verbal Conjunction (594 languages)
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Verbal Categories
- Perfective/Imperfective Aspect (785 languages)
- The Past Tense (838 languages)
- The Future Tense (834 languages)
- The Perfect (738 languages)
- Position of Tense-Aspect Affixes (776 languages)
- The Morphological Imperative (667 languages)
- The Prohibitive (614 languages)
- Imperative-Hortative Systems (448 languages)
- The Optative (625 languages)
- Situational Possibility (494 languages)
- Epistemic Possibility (480 languages)
- Overlap between Situational and Epistemic Modal Marking (412 languages)
- Semantic Distinctions of Evidentiality (565 languages)
- Coding of Evidentiality (599 languages)
- Suppletion According to Tense and Aspect (564 languages)
- Verbal Number and Suppletion (557 languages)
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Word Order
- Order of Subject, Object and Verb (936 languages)
- Order of Subject and Verb (896 languages)
- Order of Object and Verb (889 languages)
- Order of Object, Oblique, and Verb (690 languages)
- Order of Adposition and Noun Phrase (777 languages)
- Order of Genitive and Noun (829 languages)
- Order of Adjective and Noun (863 languages)
- Order of Demonstrative and Noun (764 languages)
- Order of Numeral and Noun (780 languages)
- Order of Relative Clause and Noun (694 languages)
- Order of Degree Word and Adjective (541 languages)
- Position of Polar Question Particles (662 languages)
- Position of Interrogative Phrases in Content Questions (610 languages)
- Order of Adverbial Subordinator and Clause (516 languages)
- Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase (622 languages)
- Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun (602 languages)
- Relationship between the Order of Object and Verb and the Order of Adjective and Noun (643 languages)
- Order of Negative Morpheme and Verb (571 languages)
- Position of Negative Morpheme With Respect to Subject, Object and Verb (524 languages)
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Simple Clauses
- Alignment of Case Marking of Full Noun Phrases (697 languages)
- Alignment of Case Marking of Pronouns (656 languages)
- Alignment of Verbal Person Marking (632 languages)
- Expression of Pronominal Subjects (634 languages)
- Verbal Person Marking (704 languages)
- Third Person Zero of Verbal Person Marking (631 languages)
- Order of Person Markers on the Verb (620 languages)
- Ditransitive Constructions: The Verb 'Give' (556 languages)
- Reciprocal Constructions (467 languages)
- Passive Constructions (644 languages)
- Antipassive Constructions (551 languages)
- Applicative Constructions (461 languages)
- Periphrastic Causative Constructions (271 languages)
- Nonperiphrastic Causative Constructions (405 languages)
- Negative Morphemes (653 languages)
- Symmetric and Asymmetric Standard Negation (475 languages)
- Subtypes of Asymmetric Standard Negation (375 languages)
- Negative Indefinite Pronouns and Predicate Negation (330 languages)
- Polar Questions (624 languages)
- Predicative Possession (454 languages)
- Predicative Adjectives (515 languages)
- Nominal and Locational Predication (476 languages)
- Zero Copula for Predicate Nominals (549 languages)
- Comparative Constructions (397 languages)
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Complex Sentences
- Relativization on Subjects (493 languages)
- Relativization on Obliques (449 languages)
- 'Want' Complement Subjects (414 languages)
- Purpose Clauses (361 languages)
- 'When' Clauses (374 languages)
- Reason Clauses (365 languages)
- Utterance Complement Clauses (335 languages)
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Lexicon
- Hand and Arm (679 languages)
- Finger and Hand (661 languages)
- Numeral Bases (744 languages)
- Number of Non-Derived Basic Colour Categories (332 languages)
- Number of Basic Colour Categories (315 languages)
- Green and Blue (522 languages)
- Red and Yellow (523 languages)
- M-T Pronouns (572 languages)
- N-M Pronouns (566 languages)
- Tea (484 languages)
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Sign Languages
- Irregular Negatives in Sign Languages (69 languages)
- Question Particles in Sign Languages (72 languages)
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Other
- Writing Systems (651 languages)
- Para-Linguistic Usages of Clicks (373 languages)
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Conlang-specific
- Conlang type (830 languages)