| brink(noun, time, area, end, check) |
| door(noun, beginning, opening, edge, borderline) |
| entrance(noun, place, beginning, opening, borderline) |
| verge(noun, time, end, check, position) |
| doorway(noun, beginning, opening, entrance, entry) |
| outset(noun, beginning, opening, starting point) |
| portal(beginning, opening, edge, entry, doorway) |
| doorstep(noun, beginning, opening) |
| entry(noun, way, beginning, opening, entrance) |
| gate(noun, beginning, opening, entrance, entry) |
| start(noun, beginning, opening) |
| boundary |
| starting point(noun, beginning, opening) |
| edge(noun, time, position, line, beginning) |
| beginning(noun, action, start, borderline, frontier) |
| border(noun, beginning, edge, borderline, boundary) |
| doorsill |
| gateway(noun, beginning, opening, entry, doorway) |
| porch(noun, beginning, opening, edge, entry) |
| sill(noun, beginning, opening) |