| drug(noun, substance, matter, corporeality) |
| drugs(noun, nature, substance, material) |
| substance(noun, entity, thing, material) |
| thing(noun, substance, matter, corporeality) |
| affective(adjective, action, effect, characteristics) |
| agent(noun, materiality, corporeality, materia) |
| altering(adjective, action, effect, characteristics) |
| element(noun, materiality, corporeality, materia) |
| modificatory(adjective, action, effect, characteristics) |
| stuff(noun, materiality, corporeality, materia) |
| dope(noun, substance, matter, corporeality) |
| anaesthetic |
| component(noun, entity, thing, material) |
| constituent(noun, entity, thing, material) |
| dulling |
| material(noun, substance, matter, corporeality) |
| material substance(expression, health, substance, matter) |
| matter(noun, entity, thing, material) |
| neuroscience |
| part(noun, entity, thing, material) |