skos:altLabel | - Optimist World Championship
- Opti
- Optimist
- optimist
- optimists
- Optimist (U16)
- IODA
- International Optimist Dinghy
- International Optimist dinghy
- Nations Optimist Team World Championship
- Optimist Class
- Optimist Dinghy
- Optimist class
- Optimist dinghies
- Optimist dinghy
- Optimist prams
- Optimist sailing dinghy
- Optimist single-handed dinghy
- Optimist-class dinghies
- Optimists
- Optis
- \"world's least advanced sailboat\"
- optimist (dinghy)
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