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

• phosgenes
• phosphatase
• phosphate
• phosphated
• phosphates
• phosphatic
• phosphatide
• phosphatides
• phosphating
• phosphatise
• phosphatised
• phosphatises
• phosphatising
• phosphatize
• phosphatized
• phosphatizes
• phosphatizing
• phosphaturia
• phosphaturias
• phosphene
• phosphenes
• phosphide
• phosphides
• phosphine
• phosphines