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Avestan 𐬀𐬌𐬌𐬀𐬵 (cognate)
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Middle English ore (link)
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Middle English oor (link)
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Proto-Germanic *aizō (inherited)
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Proto-Germanic *aiz (inherited)
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Proto-Germanic *airō (inherited)
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Proto-Germanic *airuz (inherited)
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Proto-Indo-European *h₂eys- (derived)
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Proto-Indo-European *áyos (inherited)
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Old Norse eir (cognate)
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Old Norse árr (cognate)
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Old Saxon ēru (cognate)
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Sanskrit अयस् (cognate)