| ingress(noun, progress, line, approach, course) |
| initiative(noun, beginning, original, first, early) |
| inlet(noun, box, entrance, entry, cavity) |
| intake(noun, entrance) |
| introduction(noun, start, rise, top, new) |
| original(adjective, head, beginning, prime, first) |
| outset(noun, start, rise, top, beginning) |
| separation(noun, break, cut, crack, split) |
| shot(noun, break, time, go, show) |
| starting point(expression, idiom, cause, start, top) |
| boring(noun, producing, creating, drilling, extracting) |
| entryway(noun, building, exit, entrance, entry) |
| gash(noun, break, cut, mark, crack) |
| genesis(noun, start, rise, top, beginning) |
| gulf(noun, deep, space, void, hole) |
| hatchway |
| inaugural(noun, adjective, start, head, beginning) |
| job(noun, work, situation, trade, occupation) |
| leak(noun, interval) |
| origin(noun, cause, start, rise, top) |