+Unclassified languages are those whose [Genetic Relationship](/wiki/genetic_relationship) to other [Language Families](/wiki/language_families) remains unproven, often due to insufficient data or deep historical divergence. These linguistic isolates stand alone, their origins a mystery, like Basque or Kusunda.
+## See also
+- [Linguistic Isolates](/wiki/linguistic_isolates)
+- [Language Documentation](/wiki/language_documentation)
+- [Language Extinction](/wiki/language_extinction)
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