ignis fatuus /igˈnis fatˈū-əs or fatˈŭ-ŭs/

1. Will-o'-the-wisp, the light produced by combustion of marsh-gas, which may lead a traveller into danger
2. Any delusive ideal or hope that may lead one astray

• unpardoning
• unpared
• unparental
• unparented
• unparliamentary
• unpartial
• unpassable
• unpassableness
• unpassablenesses
• unpassionate
• unpassioned
• unpasteurised
• unpasteurized
• unpastoral
• unpastured
• unpatented
• unpathed
• unpathetic
• unpathwayed
• unpatriotic
• unpatriotically
• unpatronised
• unpatronized
• unpatterned
• unpaved