| access(noun, approach, opening, entrance, entry) |
| entry(noun, start, approach, opening, entrance) |
| entrance(noun, approach, opening, exit, entry) |
| inlet(opening, entrance, entry, doorway, door) |
| passage(approach, opening, entrance, entry, doorway) |
| mouth |
| opening(noun, introduction, entrance, entry, preface) |
| passageway(opening, entry, doorway) |
| door(noun, approach, opening, entrance, entry) |
| approach(noun, opening, entrance, entry, doorway) |
| corridor(opening, entry, doorway) |
| hall(opening, entry, doorway) |
| ingress(noun, approach, opening, introduction, entrance) |
| vestibule(opening, entry, doorway) |
| way(approach, opening, entrance, entry, doorway) |
| adit |
| air lock |
| airlock |
| aperture |
| doorway(noun, opening, entrance, entry, door) |