Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-Iranian *saptá

Avestan 𐬵𐬀𐬞𐬙𐬀 (inherited)
Assamese সাত (inherited)
Central Kurdish حەوت (inherited)
Persian هفت (inherited)
Gujarati સાત (derived)
Hindi सात (inherited)
Judeo-Tat хьэфд (inherited)
Kachchi સાત (derived)
Northern Kurdish heft (inherited)
Punjabi ਸੱਤ (inherited)
Pali satta (inherited)
Sanskrit सप्तन् (inherited)
Sylheti ꠢꠣꠔ (inherited)