All Words: astronaut, Juggernaut, aquanaut, aeronaut, Argonaut, cosmonaut, oceanaut, and cybernaut
| Word | Length | Vowels | Syllables | |||
|---|---|---|---|---|---|---|
| Astronaut | 9 | 5 | 4 | 3 | Ancient Greek | |
| Juggernaut | 10 | 6 | 4 | 3 | ||
| Aquanaut | 8 | 3 | 5 | 3 | ||
| Aeronaut | 8 | 3 | 5 | 3 | French | |
| Argonaut | 8 | 4 | 4 | 3 | ||
| Cosmonaut | 9 | 5 | 4 | 3 | Russian | |
| Oceanaut | 8 | 3 | 5 | 3 | ||
| Cybernaut | 9 | 6 | 3 | 3 |
Suffix: -naut. List of words that end in naut.

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