How do you say geyser in Japanese?
— 間欠泉 (かんけつせん, kanketsusen); 間欠泉


Generic synonyms for geyser in Japanese
fountain噴水 (ふんすい, funsui)
spring泉 (いずみ, izumi), 温泉 (おんせん, onsen) '(hot spring, spa)'