Groudon : Eruption :: Kyogre : Water Spout Typhlosion : Eruption :: _____ : Water Spout
No. other Pokemon learn it.
Source: http://pokemondb.net/move/water-spout
Nope.
Squirtle, Wartortle, Blastoise, Remoraid, Frillish, Jellicent, Octillery, Wailmer, and Wailord learn it also.
Source
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