| Similarity | Rank | |
|---|---|---|
| Optional | 0.869 | 21319 |
| optionally | 0.790 | 31740 |
| Optionally | 0.740 | 65658 |
| OPTIONAL | 0.701 | 87739 |
| built-in | 0.668 | 7582 |
| add-on | 0.656 | 16968 |
| option | 0.653 | 944 |
| Note | 0.635 | 2182 |
| Add-on | 0.631 | 85372 |
| selectable | 0.629 | 53199 |
| Built-in | 0.626 | 45565 |
| dual | 0.622 | 6191 |
| removable | 0.619 | 15381 |
| Includes | 0.619 | 12751 |
| Included | 0.615 | 13142 |
| Extended | 0.615 | 19232 |
| module | 0.614 | 5152 |
| includes | 0.611 | 730 |
| toggle | 0.611 | 27047 |
| standard | 0.610 | 916 |
| Package | 0.606 | 11787 |
| included | 0.606 | 877 |
| toggles | 0.604 | 69545 |
| in-built | 0.602 | 54985 |
| package | 0.599 | 1903 |