Consonant Inventories Vowel Quality Inventories Consonant-Vowel Ratio Voicing in Plosives and Fricatives Voicing and Gaps in Plosive Systems Uvular Consonants Glottalized Consonants Lateral Consonants The Velar Nasal Vowel Nasalization Front Rounded Vowels Syllable Structure Tone Fixed Stress Locations Weight-Sensitive Stress Weight Factors in Weight-Sensitive Stress Systems Rhythm Types Absence of Common Consonants Presence of Uncommon Consonants Fusion of Selected Inflectional Formatives Exponence of Selected Inflectional Formatives Inflectional Synthesis of the Verb Locus of Marking in the Clause Locus of Marking in Possessive Noun Phrases Locus of Marking: Whole-language Typology Prefixing vs. Suffixing in Inflectional Morphology Reduplication Case Syncretism Syncretism in Verbal Person/Number Marking Number of Genders Sex-based and Non-sex-based Gender Systems Systems of Gender Assignment Coding of Nominal Plurality Occurrence of Nominal Plurality Plurality in Independent Personal Pronouns The Associative Plural Definite Articles Indefinite Articles Inclusive/Exclusive Distinction in Independent Pronouns Inclusive/Exclusive Distinction in Verbal Inflection Distance Contrasts in Demonstratives Pronominal and Adnominal Demonstratives Third Person Pronouns and Demonstratives Gender Distinctions in Independent Personal Pronouns Politeness Distinctions in Pronouns Indefinite Pronouns Intensifiers and Reflexive Pronouns Person Marking on Adpositions Number of Cases Asymmetrical Case-Marking Position of Case Affixes Comitatives and Instrumentals Ordinal Numerals Distributive Numerals Numeral Classifiers Conjunctions and Universal Quantifiers Position of Pronominal Possessive Affixes Obligatory Possessive Inflection Possessive Classification Genitives, Adjectives and Relative Clauses Adjectives without Nouns Action Nominal Constructions Noun Phrase Conjunction Nominal and Verbal Conjunction Perfective/Imperfective Aspect The Past Tense The Future Tense The Perfect Position of Tense-Aspect Affixes The Morphological Imperative The Prohibitive Imperative-Hortative Systems The Optative Situational Possibility Epistemic Possibility Overlap between Situational and Epistemic Modal Marking Semantic Distinctions of Evidentiality Coding of Evidentiality Suppletion According to Tense and Aspect Verbal Number and Suppletion Order of Subject, Object and Verb Order of Subject and Verb Order of Object and Verb Order of Object, Oblique, and Verb Order of Adposition and Noun Phrase Order of Genitive and Noun Order of Adjective and Noun Order of Demonstrative and Noun Order of Numeral and Noun Order of Relative Clause and Noun Order of Degree Word and Adjective Position of Polar Question Particles Position of Interrogative Phrases in Content Questions Order of Adverbial Subordinator and Clause Relationship between the Order of Object and Verb and the Order of Adposition and Noun Phrase Relationship between the Order of Object and Verb and the Order of Relative Clause and Noun Relationship between the Order of Object and Verb and the Order of Adjective and Noun Order of Negative Morpheme and Verb Position of Negative Morpheme With Respect to Subject, Object and Verb Alignment of Case Marking of Full Noun Phrases Alignment of Case Marking of Pronouns Alignment of Verbal Person Marking Expression of Pronominal Subjects Verbal Person Marking Third Person Zero of Verbal Person Marking Order of Person Markers on the Verb Ditransitive Constructions: The Verb 'Give' Reciprocal Constructions Passive Constructions Antipassive Constructions Applicative Constructions Periphrastic Causative Constructions Nonperiphrastic Causative Constructions Negative Morphemes Symmetric and Asymmetric Standard Negation Subtypes of Asymmetric Standard Negation Negative Indefinite Pronouns and Predicate Negation Polar Questions Predicative Possession Predicative Adjectives Nominal and Locational Predication Zero Copula for Predicate Nominals Comparative Constructions Relativization on Subjects Relativization on Obliques 'Want' Complement Subjects Purpose Clauses 'When' Clauses Reason Clauses Utterance Complement Clauses Hand and Arm Finger and Hand Numeral Bases Number of Non-Derived Basic Colour Categories Number of Basic Colour Categories Green and Blue Red and Yellow M-T Pronouns N-M Pronouns Tea Irregular Negatives in Sign Languages Question Particles in Sign Languages Writing Systems Para-Linguistic Usages of Clicks Conlang type