| salt → CapableOf → soften the water | 0.40 | |
| baking soda → CapableOf → soften the water | 0.34 | |
| filter → CapableOf → soften the water | 0.34 | |
| calcium → CapableOf → soften the water | 0.25 | |
| resin → CapableOf → soften the water | 0.25 | |
| soda → CapableOf → soften the water | 0.16 |