| Similarity | Rank | |
|---|---|---|
| if_necessary | 0.876 | 5977 |
| if_require | 0.804 | 15317 |
| when_necessary | 0.763 | 15198 |
| if_necessary_) | 0.711 | 70063 |
| as_necessary | 0.706 | 12488 |
| where_necessary | 0.657 | 20740 |
| if_request | 0.650 | 44392 |
| if_desire | 0.622 | 20726 |
| as_needed | 0.610 | 85522 |
| if_appropriate | 0.603 | 33500 |
| when_appropriate | 0.597 | 27857 |
| any_necessary | 0.580 | 77666 |
| upon_request | 0.560 | 17938 |
| if_you_wish | 0.550 | 24722 |
| if_available | 0.545 | 31638 |
| as_appropriate | 0.537 | 11431 |
| if_possible | 0.536 | 7173 |
| where_appropriate | 0.528 | 13733 |
| if_you_need_to | 0.520 | 24180 |
| may_need | 0.517 | 27423 |
| may_be_necessary | 0.498 | 44494 |
| when_possible | 0.498 | 20080 |
| optionally | 0.493 | 18069 |
| if_you_need | 0.492 | 16156 |
| as_a_last_resort | 0.482 | 61874 |