+Declension is the system by which nouns, pronouns, and adjectives change their form to indicate grammatical function. These changes, often marked by different endings, signal [Case](/wiki/case) or [Number](/wiki/number) within a sentence.
+## See also
+- [Conjugation](/wiki/conjugation)
+- [Inflection](/wiki/inflection)
+- [Grammar](/wiki/grammar)
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