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Old Norse vatn
Old English wæter (mention)
Old English wæter (cognate)
Old English wæteres (mention)
Proto-Germanic *watōr (inherited)
Old High German wazzar (mention)
Gothic 𐍅𐌰𐍄𐍉 (cognate)
Gothic 𐍅𐌰𐍄𐌹𐌽𐍃 (mention)
Proto-Indo-European *wódr̥ (derived)
Old Frisian weter (mention)
Old Saxon watar (mention)

English water (cognate)
Danish vand (inherited)
Danish vande (mention)
Faroese vatn (derived)
Westrobothnian vâtn (inherited)
Scanian vann (inherited)
Old High German wazzar (cognate)
Gothic 𐍅𐌰𐍄𐍉 (cognate)
Icelandic vatn (derived)
Norwegian Bokmål vann (derived)
Norwegian Nynorsk vatn (inherited)
Norwegian Nynorsk vass- (mention)
Old Norse jǫklavatn (compound)
Old Norse jǫkulvatn (compound)
Elfdalian wattn (derived)
Swedish vatten (derived)