Noun class in the context of Referent

In linguistics, a broken plural (or internal plural) is an irregular plural form of a noun or adjective found in the Semitic languages and other Afroasiatic languages such as the Berber languages. Broken plurals are formed by changing the pattern of consonants and vowels inside the singular form. They contrast with sound plurals (or external plurals), which are formed by adding a suffix, but are also formally distinct from phenomena like the Germanic umlaut, a form of vowel mutation used in plural forms in Germanic languages.

There have been a variety of theoretical approaches to understanding these processes and varied attempts to produce systems or rules that can systematize these plural forms. However, the question of the origin of the broken plurals for the languages that exhibit them is not settled, though there are certain probabilities in distributions of specific plural forms in relation to specific singular patterns. As the conversions outgo by far the extent of mutations caused by the Germanic umlaut that is evidenced to be caused by inflectional suffixes, the sheer multiplicity of shapes corresponds to multiplex attempts at historical explanation ranging from proposals of transphonologizations and multiple accentual changes to switches between the categories of collectives, abstracta and plurals or noun class switches.

In linguistics, a grammatical gender system is a specific form of a noun class system, where nouns are assigned to gender categories that are often not related to the real-world qualities of the entities denoted by those nouns. In languages with grammatical gender, most or all nouns inherently carry one value of the grammatical category called gender. The values present in a given language, of which there are usually two or three, are called the genders of that language. Determiners, adjectives, and pronouns also change their form depending on the noun to which they refer.

According to one estimate, gender is used in approximately half of the world's languages.

In linguistics, conjugation (/ˌkɒndʒʊˈɡeɪʃən/ con-juu-GAY-shən) is the creation of derived forms of a verb from its principal parts by inflection (alteration of form according to rules of grammar). For instance, the verb break can be conjugated to form the words break, breaks, and broke. While English has a relatively simple conjugation, other languages such as French and Arabic or Spanish are more complex, with each verb having dozens of conjugated forms. Some languages such as Georgian and Basque (some verbs only) have highly complex conjugation systems with hundreds of possible conjugations for every verb.

Verbs may inflect for grammatical categories such as person, number, gender, case, tense, aspect, mood, voice, possession, definiteness, politeness, causativity, clusivity, interrogatives, transitivity, valency, polarity, telicity, volition, mirativity, evidentiality, animacy, associativity, pluractionality, and reciprocity. Verbs may also be affected by agreement, polypersonal agreement, incorporation, noun class, noun classifiers, and verb classifiers. Agglutinative and polysynthetic languages tend to have the most complex conjugations, although some fusional languages such as Archi can also have extremely complex conjugation. Typically the principal parts are the root and/or several modifications of it (stems). All the different forms of the same verb constitute a lexeme, and the canonical form of the verb that is conventionally used to represent that lexeme (as seen in dictionary entries) is called a lemma.

Uyghur, formerly known as Turki or Eastern Turki, is a Turkic language of the Karluk branch, with 8 to 13 million native speakers (as of 2021). It is spoken primarily by the Uyghur people, most of whom live in what is now the Xinjiang Uyghur Autonomous Region of Western China. Apart from Xinjiang, significant communities of Uyghur speakers are also located in Kazakhstan, Kyrgyzstan, and Uzbekistan, and various other countries. Uyghur is a lingua franca of Xinjiang; it is widely used in both social and official spheres, as well as in print, television, and radio. Other ethnic minorities in Xinjiang also use Uyghur as a common language.

Uyghur belongs to the Karluk branch of the Turkic language family, which includes languages such as Uzbek. Like many other Turkic languages, Uyghur displays vowel harmony and agglutination, lacks noun classes or grammatical gender, and is a left-branching language with subject–object–verb word order. More distinctly, Uyghur processes include vowel reduction and umlauting, especially in northern dialects. In addition to other Turkic languages, Uyghur has historically been strongly influenced by Arabic and Persian, and more recently by Russian and Mandarin Chinese.

Niger–Congo is a proposed family of languages spoken over the majority of sub-Saharan Africa. It unites the Mande languages, the Atlantic–Congo languages (which share a characteristic noun class system), and possibly several smaller groups of languages that are difficult to classify. If valid, Niger–Congo would be the world's largest language family in terms of member languages, the third-largest in terms of speakers, and Africa's largest in terms of geographical area. The number of named Niger–Congo languages listed by Ethnologue is 1,540.

The proposed family would be the third-largest in the world by number of native speakers, with around 600 million people as of 2025. Within Niger–Congo, the Bantu languages alone account for 350 million people (2015), or half the total Niger–Congo speaking population. The most widely spoken Niger–Congo languages by number of native speakers are Yoruba, Igbo, Fula, Lingala, Ewe, Fon, Ga-Dangme, Shona, Sesotho, Xhosa, Zulu, Akan, and Mooré. The most widely spoken by the total number of speakers is Swahili, which is used as a lingua franca in parts of eastern and southeastern Africa.

The Atlantic–Congo languages make up the largest demonstrated family of languages in Africa. They have characteristic noun class systems and form the core of the Niger–Congo family hypothesis. They comprise all of Niger–Congo apart from Mande, Dogon, Ijoid, Siamou, Kru, the Katla and Rashad languages (previously classified as Kordofanian), and perhaps some or all of the Ubangian languages. Hans Gunther Mukanovsky's "Western Nigritic" corresponded roughly to modern Atlantic–Congo.

In the infobox, the languages which appear to be the most divergent are placed at the top. The Atlantic branch is defined in the narrow sense (as Senegambian), while the former Atlantic branches Mel and the isolates Sua, Gola and Limba are split out as primary branches; they are mentioned next to each other because there is no published evidence to move them; Volta–Congo is intact apart from Senufo and Kru.

Ijoid is a proposed but undemonstrated group of languages linking the Ijaw languages (Ịjọ) with the endangered Defaka language. The similarities, however, may be due to Ijaw influence on Defaka.

The Ijoid languages, or perhaps just Ijaw, are proposed to form a divergent branch of the hypothetical Niger–Congo family and are noted for their subject–object–verb basic word order, which is otherwise an unusual feature in Niger–Congo, shared only by such distant branches as Mande and Dogon. Like Mande and Dogon, Ijoid lacks even traces of the noun class system considered characteristic of Niger–Congo, and so might have split early from that family. Linguists Gerrit Dimmendaal and Tom Güldemann doubt its inclusion in Niger–Congo altogether and consider the Ijaw/Ijoid languages to be an independent family.

The Katla languages are two to three closely related languages that form a small language family in the Nuba Hills of Sudan. Part of an erstwhile Kordofanian proposal, they are of uncertain position within the hypothetical Niger–Congo family. They do not share the characteristic morphology of Niger–Congo, such as the noun-class system. Thus Roger Blench classifies them as a divergent branch of Niger–Congo outside the Atlantic–Congo core. A similar situation holds for another Kordofanian family, Rashad; these are not closely related to Katla.

The Limba language, Hulimba, is a Niger–Congo language of Sierra Leone and Guinea. It is not closely related to other languages and appears to form its own branch of the Niger–Congo family. Dialects include Tonko, Sela, Kamuke (or Ke), Wara-wara, Keleng, Biriwa, and Safroko. The eastern variety, spoken primarily in Guinea, is quite distinct. Limba has a system of noun classes, marked by an old, eroded set of prefixes augmented by a newer set of enclitics.