| influential(adjective, significant, vital, main, chief) |
| inherent(adjective, body, material, natural, animate) |
| intrinsic(adjective, important, significant, original, essential) |
| irreducible(adjective, pure) |
| large(adjective, big, significant, substantial, valuable) |
| monolithic(adjective, pure) |
| native(adjective, home, domestic) |
| natural(adjective, simple, material, basic, living) |
| notable |
| noteworthy(adjective, good, better, advanced, greater) |
| pivotal(adjective, most important) |
| primary coil(noun, expression, idiom) |
| primary color(noun, expression, idiom, colors) |
| primary quill(noun, expression, idiom) |
| primary winding(noun, expression, idiom) |
| requisite(adjective, important, significant, original, essential) |
| salient(adjective, big, important, significant, substantial) |
| simon-pure(adjective, pure) |
| substantive |
| top of mind(adjective, most important) |