fire
In addition to the idioms beginning with fire, also see add fuel to the fire; ball of fire; baptism of fire; catch fire; caught in the cross-fire; draw fire; fat is in the fire; fight fire with fire; get on (like a house afire); hang fire; hold one's fire; hold someone's feet to the fire; irons in the fire; light a fire under; line of fire; miss fire; no smoke without fire; on fire; open fire; out of the frying pan into the fire; play with fire; set on fire; set the world on fire; spread like wildfire; trial by fire; under fire; where's the fire. Also see under firing.