| Synonyms | Length | Vowels | Syllables | |
|---|---|---|---|---|
| High Fidelity | 13 | 9 | 4 | 5 |
| Hi Fi | 5 | 3 | 2 | 2 |
| Hi Fi Fan | 9 | 6 | 3 | 3 |
| Hussy | 5 | 4 | 1 | 2 |
| Hustler | 7 | 5 | 2 | 2 |
| Hysteromaniac | 13 | 8 | 5 | 6 |
| Impetus | 7 | 4 | 3 | 3 |
| Improvement | 11 | 7 | 4 | 4 |
| Impulse | 7 | 4 | 3 | 3 |
| Impulsion | 9 | 5 | 4 | 3 |
| Infectious Mononucleosis | 24 | 13 | 11 | 9 |
| Information Explosion | 21 | 12 | 9 | 7 |
| Inseparable Friend | 18 | 11 | 7 | 7 |
| Integration | 11 | 6 | 5 | 4 |
| Intensification | 15 | 8 | 7 | 6 |
| Intensify | 9 | 6 | 3 | 4 |
| Intercom | 8 | 5 | 3 | 3 |
| Intercommunication System | 25 | 16 | 9 | 9 |
| Intercom Speaker | 16 | 10 | 6 | 5 |
| Intimate | 8 | 4 | 4 | 3 |
| Jade | 4 | 2 | 2 | 1 |
| Jezebel | 7 | 4 | 3 | 3 |
| Jock | 4 | 3 | 1 | 1 |
| Jockstrap | 9 | 7 | 2 | 2 |
| Joyride | 7 | 4 | 3 | 2 |
| Jukebox | 7 | 4 | 3 | 3 |
| Kissing Disease | 15 | 9 | 6 | 4 |
| Lady Of Pleasure | 16 | 10 | 6 | 4 |
| Lam | 3 | 2 | 1 | 1 |
| Lift | 4 | 3 | 1 | 1 |
| Liquid Ecstasy | 14 | 9 | 5 | 5 |
| Loose Woman | 11 | 6 | 5 | 4 |
| Loud Hailer | 11 | 6 | 5 | 3 |
| Lover | 5 | 3 | 2 | 2 |
| Luggage | 7 | 4 | 3 | 2 |

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