Walter Mitty /wolˈ or wölˈtər mitˈi/

1. An ordinary person who indulges in escapist daydreams of fame, power, etc
2. An intrepid daydreamer

• pyretic
• pyretologies
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• pyretotherapy
• Pyrex
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• pyridine
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• pyridoxins
• pyriform
• pyrimethamine
• pyrimethamines
• pyrimidine