| event(noun, form, action, break, time) |
| occurrence(noun, verb, form, action, break) |
| occasion(noun, form, action, break, time) |
| circumstance(noun, form, action, event) |
| crisis(noun, state, action, change) |
| eventuality(noun, form, pass, position) |
| emergency(noun, state, trouble, change) |
| juncture(noun, form, state, action, break) |
| pass(noun, form, state, break, trouble) |
| pinch(noun, state, trouble, change) |
| turning point(noun, expression, state, trouble, change) |
| predicament(noun, state, trouble, change) |
| zero hour(noun, expression, state, pass) |
| situation(noun, state, action, trouble, change) |
| proviso(noun, form, action, cause) |
| stipulation(noun, form, action, cause) |
| crossroad(noun, trouble, change, pass) |
| prerequisite(noun, form, pass, position) |
| acuteness(pass, distress, demand, need) |
| chances(noun, form, pass, position) |