Pluraldeclined

Pluraldeclined is a linguistic term used to describe nouns, adjectives, pronouns, and other determiners that undergo inflection when expressed in the plural across grammatical cases. The term is often encountered in linguistic descriptions, grammar references, and lexical databases as a label indicating that the word has distinct plural forms that vary by case or syntactic function.

In languages with rich case systems, plural declension is a systematic pattern of endings attached to stems in the plural. This can affect noun endings, article or determiner forms, and adjective endings. Some languages use the same plural form for all cases, while others attach different endings for nominative, accusative, genitive, dative, and other cases. The result is a set of plural paradigms that must be learned for accurate inflection.

Examples. In German, the plural is often formed with plural endings and the definite article triggers weak adjective endings: die großen Häuser (the big houses). The genitive plural der Häuser, and the dative plural den Häusern. In Russian, plural declension involves changes to nouns and adjectives that depend on animacy and gender, with endings that differ across cases.

In computational linguistics and lexicography, pluraldeclined can be used as a property or tag for words that participate in a plural inflection paradigm, helping automated parsing, generation, and dictionary indexing.