| Similarity | Rank | |
|---|---|---|
| EN | 0.790 | 34380 |
| IEC | 0.752 | 34136 |
| NEMA | 0.724 | 84331 |
| UL | 0.713 | 34689 |
| CEN | 0.691 | 97769 |
| RoHS | 0.689 | 82479 |
| ANSI | 0.685 | 34731 |
| RS232 | 0.673 | 71447 |
| RS-232 | 0.673 | 79432 |
| connectors | 0.667 | 17730 |
| couplers | 0.665 | 80719 |
| SAE | 0.660 | 51048 |
| ISO | 0.652 | 9198 |
| ASTM | 0.651 | 39580 |
| standard | 0.647 | 916 |
| coaxial | 0.644 | 49501 |
| Specification | 0.641 | 35051 |
| XLR | 0.640 | 67691 |
| connector | 0.639 | 13154 |
| AWG | 0.638 | 92126 |
| switchgear | 0.636 | 89248 |
| flange | 0.635 | 34503 |
| specification | 0.635 | 9883 |
| coupler | 0.632 | 50597 |
| preamplifier | 0.631 | 99715 |