All Words: heron, Acheron, oberon, aileron, longeron, chaperon, Peron, Calderon, interferon, enteron, moneron, operon, archenteron, hyperon, gaperon, dipteron, ephemeron, coelenteron, deuteron, diatesseron, Erigeron, palaeodictyopteron, vigneron, thysanopteron, lepidopteron, hemipteron, hymenopteron, neuropteron, Krypterophaneron, trichopteron, aeron, and orthopteron
| Word | Length | Vowels | Syllables | |||
|---|---|---|---|---|---|---|
| Heron | 5 | 3 | 2 | 2 | Middle English | |
| Acheron | 7 | 4 | 3 | 3 | Latin | |
| Oberon | 6 | 3 | 3 | 3 | ||
| Aileron | 7 | 3 | 4 | 3 | French | |
| Longeron | 8 | 5 | 3 | 3 | French | |
| Chaperon | 8 | 5 | 3 | 3 | French | |
| Peron | 5 | 3 | 2 | 2 | ||
| Calderon | 8 | 5 | 3 | 3 | ||
| Interferon | 10 | 6 | 4 | 4 | ||
| Enteron | 7 | 4 | 3 | 3 | Latin | |
| Moneron | 7 | 4 | 3 | 3 | ||
| Operon | 6 | 3 | 3 | 3 | ||
| Archenteron | 11 | 7 | 4 | 4 | Latin | |
| Hyperon | 7 | 5 | 2 | 3 | ||
| Gaperon | 7 | 4 | 3 | 3 | ||
| Dipteron | 8 | 5 | 3 | 3 | ||
| Ephemeron | 9 | 5 | 4 | 4 | Ancient Greek | |
| Coelenteron | 11 | 6 | 5 | 4 | ||
| Deuteron | 8 | 4 | 4 | 3 | ||
| Diatesseron | 11 | 6 | 5 | 5 | ||
| Erigeron | 8 | 4 | 4 | 4 | ||
| Palaeodictyopteron | 18 | 10 | 8 | 7 | ||
| Vigneron | 8 | 5 | 3 | 3 | French | |
| Thysanopteron | 13 | 9 | 4 | 5 | ||
| Lepidopteron | 12 | 7 | 5 | 5 | ||
| Hemipteron | 10 | 6 | 4 | 4 | ||
| Hymenopteron | 12 | 8 | 4 | 5 | ||
| Neuropteron | 11 | 6 | 5 | 4 | ||
| Krypterophaneron | 16 | 11 | 5 | 6 | ||
| Trichopteron | 12 | 8 | 4 | 4 | ||
| Aeron | 5 | 2 | 3 | 2 | Proto Celtic | |
| Orthopteron | 11 | 7 | 4 | 4 |
Suffix: -eron. List of words that end in eron.

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