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

• chalk out
• chalkpit
• chalkpits
• chalks
• chalkstone
• chalkstones
• chalk talk
• chalk talks
• chalk up
• chalky
• challah
• challahs
• challan
• challans
• challenge
• challengeable
• challenged
• challenger
• challengers
• challenges
• challenge to the array
• challenge to the polls
• challenging
• challengingly
• challie