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Irish draoi
Proto-Celtic *druwits (inherited)
Welsh derwydd (cognate)
Welsh dryw (cognate)
Scottish Gaelic draoidh (cognate)
Manx druaight (cognate)
Manx druaightagh (mention)
Manx druaightys (mention)
Proto-Indo-European *weyd- (root)
Proto-Indo-European *dóru (derived)
Proto-Indo-European *weyd- (mention)
Cornish drewydh (cognate)
Old Irish druï (inherited)
Old Irish druí (mention)

Welsh derwydd (cognate)
Spanish druida (cognate)
Irish draíocht (affix)
Irish draíodóir (affix)
Irish bandraoi (affix)
Scottish Gaelic draoidh (cognate)
Manx druaight (cognate)