| fundamental(adjective, pure, primary, primeval) |
| aboriginal(adjective, pure, beginning, primary, primeval) |
| primordial(adjective, beginning, primary, primeval, earliest) |
| primitive(adjective, simple, coarse, fresh, original) |
| primeval(adjective, beginning, ancient) |
| cardinal(noun, adjective, lead, head, master) |
| first(adjective, beginning, primary, primeval) |
| primary(adjective, lead, pure, head, master) |
| central(adjective, lead, head, master, boss) |
| original(adjective, beginning, primary, primeval) |
| chief(adjective, lead, important, head, master) |
| prime(adjective, lead, pure, head, master) |
| principal(adjective, lead, head, master, boss) |
| basic(adjective, pure) |
| early(adjective, beginning, primary, primeval) |
| initial(adjective, beginning) |
| pristine(adjective, clean, pure, primary, primeval) |
| ancient(adjective, old, primary, primeval) |
| elemental(adjective, pure) |
| foremost(adjective, lead, head, beginning, master) |