1. Fountains, as in Iceland, which intermittently spout forth jets or columns of hot water, though some of them merely boil, while others have fallen tepid.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• buysers,
• geyers,
• geeders,
• gezzers,
• gyser,
• geesers,
• gysers,
• geisers,
• getters,
• gerbers,
• geases,
• gesters,
• gaers,
• gaser,
• pasero,
• galeri,
• gasers,
• gasperau,
• guisers,
• faseis

• Gases,
• geyser,
• guesses,
• gasses.