| pinnacle(adjective, summit) |
| pioneer(adjective, head, beginning, opening, original) |
| primary(adjective, order, heavy, important, head) |
| principal(adjective, order, top, heavy, important) |
| summit(adjective, summit) |
| tip(adjective, summit) |
| vanguard(adjective, frontal) |
| antecedent(adjective, head, beginning, opening, original) |
| anterior(adjective, lead, head, beginning, fresh) |
| arch(adjective, order, heavy, important, head) |
| cardinal(adjective, top, head, beginning, original) |
| central |
| earliest(adjective, beginning, opening, original, first) |
| extreme(adjective, summit) |
| head(adjective, order, lead, heavy, beginning) |
| in advance(expression, idiom, precession) |
| in front(expression, idiom, precession) |
| in the foreground(expression, adjective, idiom, lead, beginning) |
| in the lead(expression, idiom, precession) |
| leadoff(adjective, beginning) |