| Similarity | Rank | |
|---|---|---|
| prolactin | 0.825 | 57895 |
| dopamine | 0.813 | 20815 |
| norepinephrine | 0.807 | 48622 |
| ACTH | 0.797 | 81795 |
| endorphin | 0.787 | 80683 |
| serotonin | 0.784 | 18868 |
| cortisol | 0.781 | 23029 |
| hormone | 0.777 | 6251 |
| progesterone | 0.776 | 21944 |
| arousal | 0.773 | 21553 |
| prostaglandin | 0.766 | 68337 |
| endorphins | 0.765 | 34054 |
| epinephrine | 0.765 | 51648 |
| stimulation | 0.761 | 9647 |
| hormones | 0.761 | 7105 |
| glucocorticoids | 0.760 | 93368 |
| neurotransmitter | 0.759 | 35288 |
| GnRH | 0.757 | 90548 |
| agonist | 0.751 | 48851 |
| Dopamine | 0.749 | 75238 |
| oestrogen | 0.749 | 50299 |
| hypothalamic | 0.749 | 92743 |
| prostaglandins | 0.748 | 69147 |
| excitatory | 0.744 | 83741 |
| estradiol | 0.744 | 42087 |