| Similarity | Rank | |
|---|---|---|
| norepinephrine | 0.948 | 48622 |
| dopamine | 0.944 | 20815 |
| neurotransmitter | 0.933 | 35288 |
| Serotonin | 0.931 | 61679 |
| neurotransmitters | 0.919 | 32872 |
| acetylcholine | 0.886 | 55829 |
| GABA | 0.885 | 46769 |
| tryptophan | 0.869 | 53808 |
| monoamine | 0.865 | 84399 |
| ghrelin | 0.863 | 84971 |
| Dopamine | 0.863 | 75238 |
| excitatory | 0.862 | 83741 |
| reuptake | 0.861 | 51239 |
| cortisol | 0.858 | 23029 |
| cholinergic | 0.853 | 88546 |
| receptors | 0.852 | 13875 |
| dopaminergic | 0.851 | 78727 |
| histamine | 0.848 | 49266 |
| glutamate | 0.848 | 44758 |
| adrenergic | 0.843 | 99859 |
| hypothalamic | 0.840 | 92743 |
| hypothalamus | 0.839 | 40919 |
| prolactin | 0.836 | 57895 |
| aldosterone | 0.835 | 90103 |
| phenylalanine | 0.834 | 81370 |