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Old English os (inherited)
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Icelandic ás (inherited)
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Icelandic Ása (derived)
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Norwegian Bokmål Oslo (inherited)
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Old Norse Ása (derived)
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Old Norse áss (inherited)
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Old Norse ǫ́ss (inherited)
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Old Saxon as (inherited)
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Portuguese Aesir (derived)
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Old Armenian այս (cognate)