| Similarity | Rank | |
|---|---|---|
| impotency | 0.961 | 51049 |
| erectile | 0.958 | 8147 |
| dysfunction | 0.932 | 6160 |
| Impotence | 0.909 | 44506 |
| Erectile | 0.908 | 23511 |
| disfunction | 0.867 | 77067 |
| priapism | 0.866 | 70559 |
| Dysfunction | 0.860 | 28970 |
| ejaculation | 0.859 | 15522 |
| Levitra | 0.853 | 16011 |
| Viagra | 0.847 | 4769 |
| Cialis | 0.842 | 6987 |
| libido | 0.832 | 16558 |
| erections | 0.832 | 18370 |
| PDE5 | 0.831 | 36875 |
| Silagra | 0.830 | 83472 |
| hypogonadism | 0.830 | 85722 |
| penile | 0.828 | 18030 |
| Vardenafil | 0.826 | 62777 |
| Revatio | 0.826 | 93669 |
| Sildenafil | 0.826 | 23972 |
| Tadalafil | 0.825 | 37951 |
| Caverta | 0.821 | 78714 |
| PDE-5 | 0.816 | 59128 |
| phosphodiesterase | 0.816 | 53286 |