| Synonyms | Length | Vowels | Syllables | |
|---|---|---|---|---|
| Air | 3 | 1 | 2 | 1 |
| Air Travel | 10 | 6 | 4 | 3 |
| Aviation | 8 | 3 | 5 | 4 |
| Badness | 7 | 5 | 2 | 2 |
| Balefulness | 11 | 7 | 4 | 4 |
| Banefulness | 11 | 7 | 4 | 4 |
| Brutality | 9 | 6 | 3 | 4 |
| Cattiness | 9 | 6 | 3 | 3 |
| Closeness | 9 | 6 | 3 | 3 |
| Contamination | 13 | 7 | 6 | 5 |
| Cussedness | 10 | 7 | 3 | 3 |
| Deadliness | 10 | 6 | 4 | 3 |
| Detrimentalness | 15 | 10 | 5 | 5 |
| Devilment | 9 | 6 | 3 | 3 |
| Devilry | 7 | 5 | 2 | 3 |
| Deviltry | 8 | 6 | 2 | 3 |
| Evil | 4 | 2 | 2 | 2 |
| Evil Intent | 11 | 7 | 4 | 4 |
| Ferociousness | 13 | 7 | 6 | 4 |
| Harmfulness | 11 | 8 | 3 | 3 |
| Hatefulness | 11 | 7 | 4 | 4 |
| Health Hazard | 13 | 9 | 4 | 3 |
| Health Problem | 14 | 10 | 4 | 3 |
| Hurtfulness | 11 | 8 | 3 | 3 |
| Ill Health | 10 | 7 | 3 | 2 |
| Immorality | 10 | 6 | 4 | 5 |
| Iniquitousness | 14 | 7 | 7 | 5 |
| Iniquity | 8 | 4 | 4 | 4 |
| Injuriousness | 13 | 7 | 6 | 5 |
| Insalubriousness | 16 | 9 | 7 | 6 |
| Insalubrity | 11 | 7 | 4 | 5 |
| Invidiousness | 13 | 7 | 6 | 5 |
| Lethality | 9 | 6 | 3 | 4 |
| Maleficence | 11 | 6 | 5 | 4 |
| Malevolence | 11 | 6 | 5 | 4 |
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