| Similarity | Rank | |
|---|---|---|
| donate_blood | 0.784 | 81544 |
| blood_donor | 0.768 | 88619 |
| blood_transfusion | 0.637 | 53266 |
| organ_donation | 0.637 | 63381 |
| blood_bank | 0.637 | 86011 |
| blood_product | 0.607 | 93067 |
| transfusion | 0.563 | 39258 |
| HIV_testing | 0.555 | 57738 |
| whole_blood | 0.522 | 88553 |
| blood_sample | 0.503 | 47082 |
| hepatitis_B | 0.494 | 43484 |
| transplantation | 0.493 | 25763 |
| donation | 0.490 | 1701 |
| the_Red_Cross | 0.486 | 16249 |
| blood_supply | 0.481 | 77834 |
| the_American_Red_Cross | 0.479 | 36028 |
| volunteerism | 0.478 | 21743 |
| potential_donor | 0.478 | 64647 |
| platelet | 0.472 | 32504 |
| hepatitis | 0.463 | 32841 |
| vaccination | 0.455 | 9155 |
| screening_test | 0.454 | 99397 |
| Red_Cross | 0.453 | 22034 |
| life-saving | 0.451 | 64904 |
| awareness_campaign | 0.450 | 39988 |