The Semnani languages or Komisenian languages are a group of Northwestern Iranian languages, spoken in Semnan province of Iran that share many linguistic features and structures with most other Iranian languages, and are part of the Caspian languages.
There are six Semnani languages named in the literature. Some may be dialects, but there is little published work on their relationships.
Numbers in Semnani languages and other closely related languages Zaza and Tati and their relationship with Avestan and Parthian are as follows:
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