| (subclass Water CompoundSubstance) | Merge.kif 14307-14307 | 子類 Water and CompoundSubstance |
| (subclass Rain Water) | Weather.kif 2963-2963 | 子類 Rain and Water |
| (subclass Ice Water) | Mid-level-ontology.kif 8976-8976 | 子類 冰 and Water |
| (subclass Steam Water) | Mid-level-ontology.kif 25645-25645 | 子類 Steam and Water |
| (subclass FreshWater Water) | Geography.kif 2730-2730 | 子類 淡水 and Water |
| (subclass GroundWater Water) | Geography.kif 2743-2743 | 子類 地下水 and Water |
| (subclass SeaWater Water) | Geography.kif 2820-2820 | 子類 SeaWater and Water |
| (subclass BrackishWater Water) | Geography.kif 2847-2847 | 子類 BrackishWater and Water |
| (subclass PurifiedWater Water) | Food.kif 237-237 | 子類 PurifiedWater and Water |
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