| opal → IsA → beautiful gems | 0.52 | |
| opal → IsA → soft stones | 0.41 | |
| opal → IsA → softer stone | 0.41 | |
| opal → IsA → delicate stones | 0.40 | |
| opal → IsA → mineral | 0.39 | |
| opal → IsA → protective stone | 0.37 | |
| opal → IsA → gem | 0.35 | |
| opal → IsA → lucky stone | 0.34 | |
| opal → IsA → stones of happy dreams | 0.32 | |
| opal → IsA → ancient mineral | 0.29 | |
| opal → IsA → unlucky stone | 0.29 | |
| opal → IsA → wonderful stone | 0.27 | |
| opal → IsA → soothing stone | 0.25 | |
| opal → IsA → evil stone | 0.16 | |
| opal → IsA → popular gem | 0.16 | |
| opal → IsA → the stone of love | 0.16 |